Octave ES9039Q2M Portable DAC Amp Dongle, CNC Titanium | ES9039Q2M flagship DAC, dual SGM8262 op-amp, 550mW balanced output, 100-step volume, high/low gain, CNC aluminum build

Flagship ES9039Q2M HiFi DAC Chip Equipped with single ES9039Q2M flagship decoding chip, native hard decodes PCM 768kHz/32bit & DSD256. It hits 130dB dynamic range with ultra-low 0.0001 % distortion. Multiple low-noise power chips eliminate background hum for pure studio audio.
Dual SGM8262 Op-Amps for All Headphones Dual independent op-amps supply 150mW@32 ( 3.5 mm single-ended) & 550mW@32 ( 4.4 mm balanced).
Built-in high/low gain toggle: low gain for sensitive IEMs, high gain for high-impedance headsets like Rockies.
100-Step Volume & Inline Mic Function 100-level precise hardware volume adjustment. 3.5 mm jack supports inline mic, call recording & media playback control (device system dependent). It resets to mid-volume after re-plugging
adjust volume gradually to avoid hearing damage.
Lightweight Cross-Platform USB-C Dongle Only 25g CNC titanium portable dongle, compatible with Android, HarmonyOS, Windows 10/11, MacOS, iOS. Comes with silver-plated C-C braided cable + USB-A adapter. Not compatible with Xiaomi 14 Ultra.
Custom Android EQ & Interference-Proof Body Official NICEHCK Android APP with 8-band parametric EQ to customize sound based on factory neutral warm tuning. Aerospace CNC titanium shell + tempered glass blocks electromagnetic interference, matched lossless cable for stable audio transmission.