Short answer: the Sony INZONE Buds. It ranks #964 of 1291 in-ear headphones by sound quality, rated 3.1/5, at $238; the FatFreq x HBB Deuce ranks #1000, rated 3.0/5, and costs $239, so there is little reason to consider the other one.
The case for the Sony INZONE Buds: Active noise cancelling, an IPX4 rating and a USB transceiver connection with up to 11 hours of battery (longer over Bluetooth LE Audio) make it a convenient gaming earbud. The tradeoff: Bluetooth is LE Audio only with the LC3 codec, so many older phones and laptops cannot use it without the dongle.
What the FatFreq x HBB Deuce does well: Lower mids sit within about 0.5 dB of target, keeping voices and guitars natural. Watch for: A Harman score of 61 places it in the lower part of the in-ear rankings.
Buy the Sony INZONE Buds. It is rated higher for sound quality than the FatFreq x HBB Deuce and costs less, so only choose the other one for a particular feature it does better.
Still deciding? The full Headphones rankings cover every ranked option.
Active noise cancelling, an IPX4 rating and a USB transceiver connection with up to 11 hours of battery (longer over Bluetooth LE Audio) make it a convenient gaming earbud.
Amazon $238.00 Lowest Sony $239.99 eBay
Lower mids sit within about 0.5 dB of target, keeping voices and guitars natural.
Bloom Audio $239.00 eBayPrices on this page were last checked October 16, 2026 at 5:46 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| Sony INZONE Buds | FatFreq x HBB Deuce | |
|---|---|---|
| Price | $238.00 | $239.00 |
| Ranked | #964 of 1291 in In-Ear Headphones | #1000 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 63 (median of 3 squig.link measurements, calibrated to AutoEQ) | 61 (median of 22 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.99 dB standard deviation | 2.82 dB standard deviation |
| Tonal Tilt | +0.15 (negative is warmer, positive brighter) | -1.30 (negative is warmer, positive brighter) |
| Sub-bass Extension | Falls 6 dB below target at 28 Hz (-6.0 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+6.3 dB at 30 Hz) |
| Connection | True wireless | Wired |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 8.4mm dynamic | 2 x dynamic |
| Weight | 0 lbs (6.5 g) per earbud | - |
| Active Noise Cancelling | Yes | - |
| Battery Life | 11 hours (12 with ANC off via USB transceiver; 18 / 24 via Bluetooth LE Audio, Manufacturer specified) | - |
| Bluetooth Version | 5.3 | - |
| Bluetooth Codecs | LC3 (LE Audio only) | - |
| Built-in Microphone | Yes | - |
| IP Rating | IPX4 | - |
Frequency Response Compared
Both headphones’ measurements overlaid on the Harman target. Above the target sounds louder in that range, below it quieter. Each curve is the median of several independent measurements, shifted so its 500 Hz to 2 kHz average sits at 0 dB, so only the tuning is compared.
Measurement data: the Sony INZONE Buds from gadgetrytech, melatonin and silicagel; the FatFreq x HBB Deuce from aden, adri-n, aftersound, audioamigo, bassaudio, bassyalexander, bloomaudio, ducbloke, eliseaudio, harutohiroki, hobbytalk, jaytiss, joycesreview, koi, kr0mka, pw, sl0the, soundignity, superreview, theaudiostore, therollo9 and tonedeafmonk, all via squig.link.
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