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D&A Alpha HI RES DAC & Headphone AMP MQA LDAC ES9039QM*2 XU 316 DSD512 PCM 768kHz/32bit DA Alpha Decoder Amplifier
- Dual ES9039Q2M DAC ChipsA true dual-mono balanced system. Independent DACs and clocks per channel eliminate crosstalk. Paired with our SIGMA DAC topology-processing 4 channels per side for summation-it slashes noise to 1/4 of conventional levels, unlocking wider dynamics and a purer background.; 4C-FBDA Fully Balanced Discrete AmplificationFeaturing 32 discrete transistors across four channels, the 4C-FBDA circuit achieves <0.1A output impedance and 0.00017% THD. Effortlessly driving 16-600 headphones, it delivers 9000mW+9000mW at 32n with zero dynamic compression.; Pure Preamplifier FunctionEquipped with NJU72315 analog volume control-the industry's highest-performance chip-Alpha eliminates micro-detail loss at low volumes while attenuating external noise.; 2nd PLL Clock +Femtosecond OscillatorsFemtosecond clocks and a 2nd-stage PLL lock down jitter to 15ps across all inputs-10x lower than standard chips-for a blacker background and precise imaging.; Dual-Domain Isolation ArchitectureDigital and analog modules are physically segregated via 4-layer PCB isolation and independent ground planes. Shielded blocks and star-quad power routing ensure zero crosstalk between DSP processing and DAC conversion.; Discrete Linear Power SupplyDual independent Mean Well modules with purification ensure clean, stable power for both DAC and amp sections.
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Product Parameters InputsUSB / Optical / Coaxial/ Bluetooth OutputsXLR/RCA/ 4.4 mm headphones/ 6.35 mm headphones Line output voltage XLR- 5.2V rms RCA- 2.5V rms Headphone output level Balanced 7500mWx2 (16) 9000mWx2 (32) 2200mWx2 (150) 1100mWx2 (300) 550mWx2 (600) Unbalanced 5000mWx2 (16) 2500mWx2 (32) 500mWx2 (150) 250mWx2 (300) 150mWx2 (600) THD+N XLR 0.00006 %(- 123.5 dB)(UN-WTD) RCA 0.00007 %(-121dB)(UN-WTD) HP 0.00017 %(-115dB)(UN-WTD) Dynamic range XLR131dB RCA127dB HP125dB SNR XLR131dB RCA127dB HP125dB Output Impedance LINE OUT100 HP OUT
Near 0 Headphone Amplifier High Gain Balanced- 3.3 dB (L): +6dB
(M): +12dB (H)
Unbalanced- 9.3 dB (L): 0dB
(M): +6dB (H) USB transmissionUSB 2.0 (Asynchronous) USB compatibilityWindows 7/ 8 / 8.1 / 10 /11 (Needs Driver), Mac 0SX. i0S. Llnux. ANDR0ID MQA decoderUSB / Optical / Coaxial MQA-CD decoderOptical / Coaxial Max supported sampling rate
USB decodingUp to 768kHz/32bit: DSD512 (Native)
Coaxial input decodingUp to192kHz/24bit: DoP64
Optical input decodingUp to192kHz/24bit: DoP64 Bluetooth specification 5.3 (Support SBC. AAC. aptX. aptX HD. LDAC) Power Consumption<50W Standby power< 0.5W Size195 x 55 x208mm (WxHxD) Weight 1.65 kg / 3.64 lb
Near 0 Headphone Amplifier High Gain Balanced- 3.3 dB (L): +6dB
(M): +12dB (H)
Unbalanced- 9.3 dB (L): 0dB
(M): +6dB (H) USB transmissionUSB 2.0 (Asynchronous) USB compatibilityWindows 7/ 8 / 8.1 / 10 /11 (Needs Driver), Mac 0SX. i0S. Llnux. ANDR0ID MQA decoderUSB / Optical / Coaxial MQA-CD decoderOptical / Coaxial Max supported sampling rate
USB decodingUp to 768kHz/32bit: DSD512 (Native)
Coaxial input decodingUp to192kHz/24bit: DoP64
Optical input decodingUp to192kHz/24bit: DoP64 Bluetooth specification 5.3 (Support SBC. AAC. aptX. aptX HD. LDAC) Power Consumption<50W Standby power< 0.5W Size195 x 55 x208mm (WxHxD) Weight 1.65 kg / 3.64 lb
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