Best Portable DACs and Headphone Amps (2026)
What are the best portable DACs and headphone amps in 2026?
TL;DR
Top pick: FiiO BTR17 (~$220) — Bluetooth 5.4 + USB-C, dual ES9069Q, THX AAA 78+, 650mW balanced in desktop mode.
Best value: FiiO/JadeAudio KA13 (~$66) — 550mW balanced output and 4.4mm + 3.5mm sockets at impulse-buy money.
Best budget: FiiO KA11 (~$33) — clean CS43131 DAC in a sub-10g dongle, a strict upgrade over any phone jack.
The 2026 portable-DAC market is split into USB-C dongles ($33-$750), pocket units with their own battery ($199-$590), Bluetooth/USB hybrids ($220-$499), and transportable desktop-class bricks (~$700). [src1, src2]
Summary
Portable DAC/amps only make sense when you group them by class, because the four classes differ in use case, not just price: bus-powered USB-C dongles (no battery, ~$33-$750), pocket units with their own battery (~$199-$590), Bluetooth-plus-USB hybrids (~$220-$499), and transportable desktop-class bricks (~$700). Within a class the spec that actually decides the purchase is output power at a stated impedance and the output impedance — not the DAC chip name or a "Hi-Res" logo. [src1, src2, src5]
The biggest structural shift in 2025-2026 is dual-mode devices — units like the FiiO BTR17 and KA17 that run as ordinary dongles on phone power and switch to near-desktop output when externally USB-powered. The FiiO BTR17 (~$220) remains the consensus mid-range pick across major outlets, combining Bluetooth 5.4 (LDAC/aptX Lossless), dual ES9069Q DACs and THX AAA 78+ amplification with a desktop mode rated at 650mW into 32 ohms. [src3, src6]
Prices at the premium end moved sharply since the July 2026 check, and they moved in the buyer's favour. The iFi xDSD Gryphon fell from ~$599 to ~$499, which makes it cheaper than the Chord Mojo 2 listing while offering the most inputs and the most balanced power of any pocketable unit here. The FiiO KA17 was cut from ~$165 to ~$145. Two picks now carry real purchasing caveats: the FiiO Q7 (~$700) is being cleared — retailers including Audio46 list it as discontinued and Amazon US showed only a handful of units at the 2026-08-08 check — and the Chord Mojo 2 ASIN on Amazon US (~$590) is the pre-2026 revision, not the 2026 4.4/USB-C revision that Chord launched at about US$499 through its dealer network. [src2, src4, src9, src10]
At the budget end the FiiO KA11 (~$33) and FiiO/JadeAudio KA13 (~$66) still deliver the most measurable upgrade per dollar — the KA13 in particular gives you both 3.5mm and 4.4mm balanced sockets and a rated 550mW, a genuine entry point to balanced portable audio. New to this comparison, the iFi Audio GO Link 2 (~$59) is an ultra-small ESS-based dongle rated at 79mW into 32 ohms that ships with USB-C-to-Lightning and USB-C-to-USB-A adapters in the box, which is why it beats the KA13 for anyone plugging into an older iPhone, a USB-A laptop or a console. [src11, src8, src2]
Top 11 Models Compared
| Model | Class | Price | DAC Chip | Output Power (balanced, 32Ω) | Connection / Codecs | Battery | Best For | Buy |
|---|---|---|---|---|---|---|---|---|
| FiiO KA11 | USB-C dongle | ~$33 | CS43131 | 200mW @ 32Ω (3.5mm SE only) | USB-C wired | Bus-powered | Ultra-budget entry | Check price |
| iFi Audio GO Link 2 | USB-C dongle | ~$59 | ESS Sabre | 79mW @ 32Ω (3.5mm S-Balanced) | USB-C wired + Lightning/USB-A adapters | Bus-powered | Adapter flexibility, older iPhones | Check price |
| FiiO/JadeAudio KA13 | USB-C dongle | ~$66 | Dual CS43198 | 550mW @ 32Ω (4.4mm, desktop mode) | USB-C wired | Bus-powered | Budget balanced | Check price |
| FiiO KA17 | USB-C dongle | ~$145 | Dual ES9069Q | 650mW @ 32Ω (4.4mm, desktop mode) | USB-C wired | Bus-powered | Wired flagship dongle | Check price |
| iFi Hip-dac 3 | Pocket unit, own battery | ~$199 | Burr-Brown | 400mW @ 32Ω (4.4mm) | USB-C wired | Built-in battery | Warm musical sound | Check price |
| FiiO BTR17 | Bluetooth + USB | ~$220 | Dual ES9069Q | 650mW @ 32Ω (4.4mm, desktop mode) | BT 5.4 (LDAC, aptX Lossless/Adaptive, AAC) + USB-C | ~9h BT / bus-powered USB | Best all-rounder | Check price |
| iFi GO bar Kensei | USB-C dongle | ~$399 | Cirrus Logic | 477mW @ 32Ω (4.4mm) | USB-C wired | Bus-powered | Tunable premium dongle | Check price |
| iFi xDSD Gryphon | Bluetooth + USB | ~$499 | Burr-Brown | 1000mW @ 32Ω (4.4mm) | BT 5.1 (LDAC, aptX Adaptive, AAC) + USB-C + S/PDIF + analogue in | ~6h built-in | Max connectivity and power | Check price |
| Chord Electronics Mojo 2 | Pocket unit, own battery | ~$590 | Custom Chord FPGA | 600mW @ 30Ω (3.5mm; see revision note) | USB + coax/optical, no Bluetooth | ~8h built-in | Best sound quality | Check price |
| FiiO Q7 | Transportable desktop-class | ~$700 | ES9038PRO | up to 3000mW @ 32Ω (4.4mm, plugged-in) | BT 5.0 + USB-C + optical/coax | ~8h built-in | Most raw power (end-of-life) | Check price |
| iBasso DC-Elite | USB-C dongle | ~$747 | ROHM BD34301EKV | 280mW @ 32Ω (4.4mm) | USB-C wired | Bus-powered | Audiophile dongle | Check price |
Output power, high-impedance drive and hiss control
Power at a stated impedance and output impedance are the two specs that decide whether a headphone plays loud and controlled. Where a maker does not publish a figure at a given load, this table says so rather than guessing — an unpublished figure is a real fact about the product, and above roughly the $200 mark the audible differences between competent units are small.
| Model | Power @ 32Ω (balanced where fitted) | Into 300Ω or higher | Output impedance | Hiss control for sensitive IEMs |
|---|---|---|---|---|
| FiiO KA11 | 200mW (3.5mm SE) | not published | not published | none — no gain switch |
| iFi Audio GO Link 2 | 79mW (3.5mm S-Balanced) | not published | not published | none — no IEMatch on this model |
| FiiO/JadeAudio KA13 | 550mW (4.4mm, desktop mode) | not published | not published | low/high gain switch |
| FiiO KA17 | 650mW (4.4mm, desktop mode); 270mW on 3.5mm | ≥30mW + 30mW into 300Ω (3.5mm SE) | <1Ω | low/high gain switch |
| iFi Hip-dac 3 | 400mW (4.4mm) | not published | not published | IEMatch on the 3.5mm output |
| FiiO BTR17 | 650mW (4.4mm, desktop mode); ~300mW on phone power | not published | not published | low/high gain switch |
| iFi GO bar Kensei | 477mW (4.4mm); 300mW on 3.5mm | 7.2V swing into 600Ω | not published | IEMatch |
| iFi xDSD Gryphon | 1000mW (4.4mm); 6.7V max | 74mW into 600Ω | not published | IEMatch on both outputs |
| Chord Electronics Mojo 2 | 600mW into 30Ω | 90mW into 300Ω | 0.06Ω | no IEMatch, but 0.06Ω is low enough to leave low-impedance IEMs' frequency response alone |
| FiiO Q7 | up to 3W per channel into 32Ω plugged in; ~1.5W per channel on battery | 500mW into 300Ω | not published | four gain levels |
| iBasso DC-Elite | 280mW (4.4mm) | not published | not published | low/high gain |
Manufacturer-published figures unless noted; treat them as ceilings measured at their most favourable gain and THD conditions, not as guarantees. [src9, src1, src5, src6]
Best for Each Use Case
Best Overall: FiiO BTR17 (~$220) — Check price
The BTR17 hits the sweet spot of price, performance and versatility. With dual ES9069Q DACs, THX AAA 78+ amplification, Bluetooth 5.4 supporting LDAC and aptX Lossless, and a desktop mode rated at 650mW balanced, it outperforms many devices at twice the price; on phone power alone the balanced output drops to roughly 300mW into 32 ohms, which is still enough for most over-ears. The FiiO Control app adds 10-band PEQ and detailed configuration. Reviewers are split on hiss with ultra-sensitive IEMs — use low gain if that is your pairing. [src3, src6]
Best Value: FiiO/JadeAudio KA13 (~$66) — Check price
The KA13 offers a 4.4mm balanced output and a rated 550mW at a price that makes it an impulse buy for curious listeners. It handles IEMs and most dynamic headphones without breaking a sweat, and the dual-output design means you can grow into balanced cables without replacing the DAC. It rose from about $60 to ~$66 (against a $79.99 list) between the July and August 2026 checks, so it no longer undercuts the iFi GO Link 2 by much — it wins on the balanced socket, not on price. [src2]
Best Ultra-Budget: FiiO KA11 (~$33) — Check price
For about $33 the KA11 provides a clear and measurable upgrade over any phone or laptop headphone output. The CS43131 DAC delivers clean, detailed sound, and the 8.5g form factor means you will actually carry it everywhere. Single-ended 3.5mm only at a rated 200mW into 32 ohms — sufficient for IEMs and low-impedance headphones, not for 250-300 ohm studio cans. [src2, src4]
Best for Adapter Flexibility and Older iPhones: iFi Audio GO Link 2 (~$59) — Check price
The GO Link 2 is the one dongle here that plugs into anything out of the box: it ships with a USB-C-to-Lightning adapter and a USB-C-to-USB-A adapter, so an iPhone 14 or earlier, a USB-A laptop and a USB-C Android phone all work without a separate purchase. It is 29% lighter and 8% smaller than the first-generation GO link, uses an ESS Sabre DAC to 32-bit/384kHz PCM and native DSD256, and adds iFi's S-Balanced 3.5mm output plus app-selectable filters. The trade-off is power: 79mW into 32 ohms is an IEM and low-impedance figure, and there is no 4.4mm socket and no IEMatch. Note that iFi also sells a confusable GO link 2 Max (dual ESS Sabre, 4.4mm balanced, 241mW) which listed at $79-$85 on Amazon US on 2026-08-08 — a different product at a different price. [src8, src11]
Best for Audiophile Sound Quality: Chord Electronics Mojo 2 (~$590 on Amazon; ~$499 for the 2026 revision from a dealer) — Check price
The Mojo 2 uses Chord's custom FPGA-based DAC architecture rather than off-the-shelf chips, and reviewers consistently describe the result as the most natural, refined and spacious sound in the portable category. Chord publishes 600mW into 30 ohms, 90mW into 300 ohms and a 0.06-ohm output impedance — the lowest figure on this card, and low enough that sensitive multi-driver IEMs keep their intended frequency response. Two revisions are in circulation and they are not the same product. The ASIN listed on Amazon US at the 2026-08-08 check (~$590) is the pre-2026 revision: its own listing specifies a micro-USB data input, a micro-USB charging port and 2x 3.5mm headphone outputs. The current 2026 revision replaces one 3.5mm jack with a 4.4mm balanced output and moves data and charging onto a single switchable USB-C port; it launched at £395, about US$499 — roughly $90 less than the Amazon listing charges for the superseded unit. Chord sells through authorised dealers rather than direct, so the 2026 revision has to be bought from a dealer. If the 4.4mm output and USB-C charging matter to you, do not buy the Amazon listing. One more honest caveat: the 4.4mm socket is a convenience, not an architecture change — the Mojo 2's internal signal path is still single-ended. Other drawbacks: no Bluetooth and unintuitive button-ball controls. [src7, src9, src10, src1]
Best for Bluetooth Convenience: FiiO BTR17 (~$220) — Check price
The BTR17 is the standout Bluetooth portable DAC/amp in 2026, with a Qualcomm QCC5181 supporting Bluetooth 5.4, LDAC, aptX Adaptive and aptX Lossless. It doubles as a wired USB DAC with full hi-res support (768kHz/32-bit, DSD512). The built-in battery is rated at approximately 9 hours of Bluetooth playback. Codec support on the DAC is only half the equation: LDAC and aptX Lossless need an Android source, and an iPhone will negotiate AAC no matter what the BTR17 supports. [src6]
Best for Difficult Headphones and Maximum Connectivity: iFi xDSD Gryphon (~$499) — Check price
At its new ~$499 price the Gryphon is the strongest in-production pick for hard-to-drive headphones. It is rated at 1000mW into 32 ohms balanced with a 6.7V maximum swing and 74mW into 600 ohms, which covers 300-ohm dynamics such as the Sennheiser HD 600/650 and most planar magnetics, and IEMatch is available on both the 3.5mm and 4.4mm outputs for sensitive IEMs. It also accepts every input type — USB-C, S/PDIF coaxial, Bluetooth 5.1 and 3.5mm/4.4mm analogue line-in — making it the most versatile single device for someone switching between phone, laptop, TV optical out and a turntable preamp. Its own battery means it does not drain the phone. [src1, src3]
Most Raw Power (end-of-life): FiiO Q7 (~$700) — Check price
With dual THX AAA 788+ circuits in a fully balanced configuration the Q7 is rated at up to 3W per channel into 32 ohms when externally powered (about 1.5W per channel on battery alone) and 500mW into 300 ohms, so it will drive virtually any headphone including high-impedance Sennheiser HD 800S and power-hungry planars. Two caveats before you buy: at 620g it is transportable rather than pocketable, and it is now end-of-life — retailers including Audio46 list it as discontinued and Amazon US showed only a handful of units on 2026-08-08. Buy it only from a normal in-stock consumer listing at or below the ~$700 list; if it has rotated out, or the only offers are marketplace sellers above list, take the iFi xDSD Gryphon (~$499) instead. [src5, src2, src4]
Head-to-Head Comparisons
FiiO BTR17 vs Chord Electronics Mojo 2
The BTR17 (~$220) wins on features and value: Bluetooth 5.4 with LDAC/aptX Lossless, 10-band PEQ, dual ES9069Q chips and a 650mW balanced desktop mode at roughly a third of the Mojo 2's ~$590 Amazon price. The Mojo 2 wins on pure analogue sound — Chord's FPGA architecture delivers a more spacious, naturally textured presentation, and its 0.06-ohm output impedance is the cleanest IEM match on this card. Note the revision trap: the Amazon listing is the pre-2026 micro-USB unit, while the 2026 4.4/USB-C revision is about US$499 from a Chord dealer. [src3, src6, src7, src9, src10]
Pick FiiO BTR17 if: you want Bluetooth + USB versatility, EQ, and the most performance per dollar.
Pick Chord Electronics Mojo 2 if: wired-only is fine and you want the best-sounding portable DAC available, budget aside — and buy the 2026 revision from a dealer, not the older Amazon unit.
FiiO KA17 vs FiiO BTR17
Both share the same dual ES9069Q + THX AAA 78+ core, so wired sound is essentially identical. The KA17 (~$145 after an August 2026 cut from ~$165) is bus-powered with no battery, slightly smaller, and now ~$75 cheaper; the BTR17 (~$220) adds Bluetooth 5.4 (LDAC/aptX Lossless), a built-in battery, and mode switching via a hardware slider. For desktop or laptop-only use the KA17 is now clearly the smarter buy; for phone-based listening with occasional Bluetooth the BTR17 still earns its premium. [src6]
Pick FiiO KA17 if: you only need USB-C, want a smaller dongle, and want to save ~$75.
Pick FiiO BTR17 if: you want Bluetooth in the same package, or you switch between desktop and phone often.
iFi GO bar Kensei vs iBasso DC-Elite
At similar street prices a year ago these were the two premium-dongle benchmarks; the Kensei now sits at ~$399 (against a $449 list) while the DC-Elite has climbed to ~$747, a ~$350 gap. The DC-Elite uses a ROHM BD34301EKV chip and a titanium chassis for the most analytically resolving dongle sound but is rated at only 280mW into 32 ohms; the Kensei offers K2HD processing, XBass/XSpace tone controls, IEMatch for sensitive IEMs, a rated 477mW balanced and a 7.2V swing into 600 ohms at roughly half the price. On driving ability the Kensei is the stronger unit. [src2, src4]
Pick iFi GO bar Kensei if: you want premium dongle sound, tonal flexibility, IEM-friendly hiss control, and more power for less money.
Pick iBasso DC-Elite if: maximum resolution with efficient headphones matters and budget is no object.
iFi xDSD Gryphon vs Chord Electronics Mojo 2
This matchup flipped in August 2026. The Gryphon fell to ~$499 while the Amazon Mojo 2 listing sits at ~$590, so the more capable, more connected unit is now the cheaper one: 1000mW balanced versus 600mW into 30 ohms, plus Bluetooth, S/PDIF and analogue line-in that the Mojo 2 simply does not have. The Mojo 2 still wins on sound character and on measured output impedance (0.06Ω versus a figure iFi does not publish). [src1, src3, src9]
Pick iFi xDSD Gryphon if: you want the most power, the most inputs and the better price.
Pick Chord Electronics Mojo 2 if: the FPGA sound signature is what you are buying, and you can get the 2026 revision at about US$499 from a dealer.
iFi Audio GO Link 2 vs FiiO KA11
The two cheapest dongles here sit within $26 of each other and split cleanly on power versus compatibility. The KA11 (~$33) is the smallest at ~8.5g with a CS43131 chip and a rated 200mW into 32 ohms; the GO Link 2 (~$59) is rated at only 79mW into 32 ohms but is 29% lighter than the original GO link and ships with USB-C-to-Lightning and USB-C-to-USB-A adapters in the box — the decisive advantage for an iPhone 14 or earlier, a USB-A laptop, or a console. Neither has a 4.4mm socket, and neither should be paired with 250-300 ohm headphones. [src11, src8, src2]
Pick FiiO KA11 if: you want the cheapest measurable upgrade over a phone or laptop jack, and more power for the money.
Pick iFi Audio GO Link 2 if: you need Lightning or USB-A connectivity in the box and app-selectable filters.
Decision Logic
If budget < $75
→ FiiO/JadeAudio KA13 (~$66) for a 4.4mm + 3.5mm output pair and a rated 550mW, or the iFi Audio GO Link 2 (~$59) if you need the bundled Lightning/USB-A adapters more than you need balanced output. Drop to the FiiO KA11 (~$33) if 3.5mm single-ended is enough — it is still rated for more power (200mW) than the GO Link 2 (79mW). All three are bus-powered and require no charging. [src11, src8, src2]
If the headphones are 250 ohm or higher, or are planar magnetic
→ iFi xDSD Gryphon (~$499): 1000mW into 32 ohms balanced, a 6.7V swing and 74mW into 600 ohms, in a unit with its own battery so the phone is not doing the work. No dongle under $150 on this card publishes a usable 300-ohm figure, and the ones that do (FiiO KA17 at ≥30mW into 300 ohms on 3.5mm) are not enough for a 300-ohm dynamic at realistic listening levels. [src1, src3, src6]
If primary use is phone Bluetooth listening (Android)
→ FiiO BTR17 (~$220). It is the only 2025-2026 Bluetooth DAC/amp that combines LDAC/aptX Lossless, a 650mW balanced desktop mode, 10-band PEQ and dual ES9069Q chips at this price. Confirm your phone actually negotiates LDAC or aptX Lossless — codec support on the DAC is useless without it on the source. [src6]
If primary use is iPhone listening
→ Skip Bluetooth DACs entirely: iPhone is still AAC-only over Bluetooth in 2026, which negates the LDAC/aptX advantage. Go wired. iPhone 15 and later have USB-C, so any USB-C dongle here plugs straight in; only iPhone 14 and earlier need an adapter, and the iFi Audio GO Link 2 (~$59) is the pick there because the Lightning adapter is in the box. [src8, src11]
If user wants the best possible sound quality and does not need Bluetooth
→ Chord Electronics Mojo 2, but buy the right revision. The 2026 revision (4.4mm balanced + switchable USB-C charging) is about US$499 from an authorised Chord dealer; the Amazon US listing at ~$590 is the older micro-USB / dual-3.5mm unit. Reviewers across What Hi-Fi and AVForums rate the Mojo 2 as the best-sounding portable DAC under $1,000, and its 0.06-ohm output impedance is the best IEM match here. [src7, src9, src10, src1]
If the pairing is an ultra-sensitive multi-driver IEM
→ Prefer a unit with an attenuator or a published sub-1-ohm output impedance: iFi GO bar Kensei (~$399) or iFi Hip-dac 3 (~$199) for IEMatch, the xDSD Gryphon (~$499) for IEMatch on both jacks, or the Chord Mojo 2 for its 0.06-ohm output. Avoid running a high-power balanced output on high gain into a >110 dB/mW IEM — that is where audible hiss comes from. [src1, src3, src9]
If user wants a premium dongle without a separate battery to charge
→ iFi GO bar Kensei (~$399) for tunable sound with K2HD processing and IEMatch — the better-value premium dongle, and the more powerful one. The iBasso DC-Elite (~$747) remains the resolution specialist but is hard to justify at nearly twice the price and a third of the power. [src2, src4]
If maximum power matters more than size
→ FiiO Q7 (~$700) while clearance stock lasts: up to 3W per channel into 32 ohms plugged in, 500mW into 300 ohms. It is discontinued, so check the listing is a normal in-stock consumer offer at or under list before buying; otherwise take the iFi xDSD Gryphon (~$499). [src5, src2, src4]
Default recommendation
→ FiiO BTR17 (~$220). It covers the widest range of use cases — Bluetooth and wired, portable and desktop mode, IEMs and full-size headphones — at a price that still represents exceptional value in 2026. [src3, src6]
Key Market Trends (2026)
- Desktop-mode dongles dominate: Devices like the FiiO KA13, KA17 and BTR17 offer a "desktop mode" that roughly doubles output power when externally USB-powered, blurring the line between portable and desktop DAC/amps — but the headline power figure on the box is the desktop figure, not what you get off a phone. [src2, src6]
- Balanced 4.4mm output has become standard: Even sub-$100 dongles (FiiO/JadeAudio KA13) include a 4.4mm Pentaconn balanced output alongside 3.5mm, making balanced audio accessible at entry level; in 2026 even the Chord Mojo 2 finally added 4.4mm. What has not changed is that you need a 4.4mm-terminated headphone cable to use it. [src2, src7, src10]
- ESS ES9069Q has become the mainstream flagship DAC chip: FiiO's KA17 and BTR17 both use dual ES9069Q chips with a claimed 130dB dynamic range — performance that was desktop-only two years ago, and well past the point where the DAC chip is the limiting factor. [src4, src6]
- MQA relevance is fading: While most 2025-2026 portable DACs still include MQA decoding, Tidal's move to FLAC and MQA Ltd's closure have reduced its practical importance; buyers should not prioritise MQA support. [src1, src5]
- Bluetooth codec gap is closing on Android, not iPhone: aptX Lossless and LDAC deliver near-lossless quality on Android, but iPhone users remain limited to AAC over Bluetooth in 2026 — a persistent gap that meaningfully changes the value of Bluetooth DAC/amps for Apple users. [src6, src8]
- Premium pricing is diverging, and the direction reversed in 2026: Between mid-2025 and August 2026 the iFi GO bar Kensei went from ~$499 to ~$399, the iFi xDSD Gryphon from ~$599 to ~$499 and the FiiO KA17 from ~$165 to ~$145, while the iBasso DC-Elite climbed from ~$449 to ~$747 and the Amazon Chord Mojo 2 listing from ~$450 to ~$590. Sticker prices in this category are close to meaningless — check the street price of the exact revision before committing. [src2, src4]
- Generation and revision churn is the main buying hazard: FiiO KA11 / KA13 / KA17 and BTR7 / BTR13 / BTR17, iFi GO link / GO link Max / GO Link 2 / GO link 2 Max / GO bar / GO bar Kensei, and two Chord Mojo 2 revisions sold side by side are all deliberately confusable names at materially different prices. Match the exact model, revision and cable termination before you compare prices. [src10, src9, src11]
Important Caveats
- Prices are US Amazon street prices verified on 2026-08-08 unless a dealer price is named explicitly, and they move fast: this category has seen 20-65% swings on the same SKU within a year. Confirm pricing at click-through.
- Revision trap on the Chord Mojo 2: the Amazon US ASIN is the pre-2026 revision (micro-USB data, micro-USB charging, 2x 3.5mm outputs) at ~$590. The 2026 revision (1x 3.5mm + 1x 4.4mm balanced, switchable USB-C charging) is about US$499 through Chord's authorised dealers. Chord does not sell direct, and its own product page publishes no price. Confirm which revision a listing is before buying, especially used.
- The FiiO Q7 is discontinued. Retailers including Audio46 list it as such and Amazon US stock was in single digits on 2026-08-08. A discontinued flagship often persists as marketplace offers above its old list — that is not a deal, and the iFi xDSD Gryphon (~$499) is the in-production alternative.
- Hidden costs this card prices, because sticker price is only part of the bill: a 4.4mm-terminated cable for headphones you already own is a separate $20-$60 purchase and none of the balanced power figures here are reachable without one; an iPhone 14 or earlier needs a USB-C-to-Lightning adapter (~$10-$20) unless the DAC ships with one (the iFi Audio GO Link 2 does); a short right-angle USB-C cable is usually worth buying for pocketability. There are no subscriptions in this category — the FiiO Control and iFi Nexis companion apps are free, and no pick here paywalls EQ or firmware.
- Output power figures are manufacturer-published unless stated, and are ceilings at the maker's most favourable gain and distortion conditions. Where a maker publishes no figure at a load, this card says "not published" rather than estimating.
- Sound-quality comparisons aggregate reviewer consensus across 11 sources; individual preference for warm, neutral or analytical presentation will change which model sounds "best" to a given listener. Above roughly $200, competent units in this category are close to audibly transparent — the honest differentiators are power, output impedance, connectivity, controls and hiss behaviour, not resolution.
- Hiss with ultra-sensitive IEMs is the most common real-world complaint about powerful portable amps and reviewer reports conflict even on the same unit (the FiiO BTR17 in particular). Use low gain, or choose a pick with IEMatch or a published sub-1-ohm output impedance.
- Battery life estimates are manufacturer-rated; real-world Bluetooth playback typically delivers 70-85% of rated figures depending on codec and volume.
- Bus-powered dongles (KA11, GO Link 2, KA13, KA17, DC-Elite, GO bar Kensei) draw significant current from the phone — expect 5-15% faster phone battery drain depending on the device. Units with their own battery (Hip-dac 3, Mojo 2, Gryphon, Q7) do not.
- Listening at high volume through a powerful amplifier can damage hearing. This card gives no medical or audiological advice; if you experience tinnitus, muffled hearing or ear pain, consult an audiologist.