TOPLING DX3 Pro + Decoding Headphone Amplifier Decoding DX3 Pro+ provides two gains of +6dB and +19dB, which greatly expands the range of earphone adaptations. High performance external digital beginner/mobile set-top box/tablet. Specifications: Size: 12 x 16.5 x 4 cm DC Power: DC15V/1A. Colour: black/silver USB in: PCM 44.1KHZ-768 KHZ / 16bit-32bit DSD64-DSD512 (native), DSD64-DSD256 (DOP) opt/coaxial. in: 44.0 1kHz-192 kHz / 16-bit-24bit BT In: AAC / SBC / APTX / APTX-LL / APTX-HD / LDAC DX3 Pro settings + decoding (USB in @ 96KHz) THD + N @ 1KHZ (A-WT): THD @ 20-20KHZ (90KBW): SNS: R @ 1 km Hz (A-WT): 122DB Dynamic Range at 1 kHz (A-WT): 122DB Frequency Response: 20Hz-20kHz (±0.3 dB) Frequency Response: 20Hz-40kHz (± 0.7 dB) Output Level: Noise (A-WT): Crossalk Singer @ 1kHz: -137db b Balance of the channels of Chain: 0.3 dB Output Impedance: 20Ω DX3 PRO + THD + N @ 1KHZ (A-WT) Headphone Amplifier Specifications: THD @ 20-20KHZ (90KBW): SNR @ Max Out 1kHz (A-WT): 120DB Dynamic Range at 1kHz (A-WT): 120dB Dynamic Range at 1 kHz (A-WT): 120 DB Response from Frequency: 20Hz-20kHz (± 0.3 dB) Frequency Response: 20Hz-40kHz (±0.7dB) Output Level: 5.5vpp @ g = l; 21.5vpp @g = h noise (A-WT): Chain Crostalk @ 1kHz: -90DB Gain: 6.0 dB. (VRMS / FS) @ g = l; 19dB (VRMS / FS) @ g = l Output impedance: Output power: 1800MW x 2 @ 32Ω THD + N 900MW x 2 @ 64Ω THD + N 250MW x 2 @ 300Ω THD + N Adapter Impéée dience:> 8Ω Package Contents: 1 x DX3PRO + 1 x Dry Adapter