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Topping A900 Ultra Flagship Headphone Amplifier A Full Range of Headphone outputs with Remote Control
- Six-channel T'ang-ku-la circuit Full-link differential balanced architecture; Responsive control A 2-inch full-color display provides clear real-time playback information.On the right, three touch-sensitive buttons work seamlessly with the volume knob to enable fast and intuitive adjustments. The knob not only offers precise volume control, but also serves as a customizable function key-tailored to suit your personal preferences.; Premium remote control The main part of remote control is crafted from a single block of high-strength aluminum alloy using precision CNC machining followed by fine sandblasting for a refined finish.; Fully balanced relay volume control The A900 features a fully balanced relay-based volume control system, reducing channel crosstalk to -153dB. This ensures exceptional sonic purity and separation, bringing vocals to life with vivid presence and revealing the finest textures in instruments, With precise 0.5dB step volume adjustments, changes in volume are smooth and nuanced-delivering a refined and comfortable listening experience.; Isolated power supply The power supply for the digital processing circuit is physically isolated from the two analog amplification circuits, delivering more stable, reference-grade voltage and effectively reducing interference.
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A900 Headphone Amplifier specifications BAL IN/SE OUT THD+N @1kHz A-wt <0.000060% @Output=500mW(32) <0.000055% @Output=80mW(300) THD @20-20kHz 90kBW<0.00006% @Output=500mW (32) <0.00005% @Output=80mW(300) SNR @MAX OUT 1kHz A-wt143dB Dynamic Range @1kHz A-wt143dB Frequency Response20Hz-40kHz(±0.05dB) 10Hz-200kHz(±0.1dB) Output Level30 Vpp @G=L 30 Vpp @G=M 30 Vpp @G=H AP Measured Noise Level @A-wt<0.7uVrms @G=L <0.9uVrms @G=M <1.5uVrms @G=H Actual Noise Level* @A-wt<0.3uVrms @G=L <0.7uVrms @G=M <1.4uVrms @G=H Channel Crosstalk @1kHz-105dB Input Sensitivity22.0Vrms @G=L 7.0Vrms @G=M 2.1Vrms @G=H Gain-6.1dB @G=L +4.3dB @G=M +13.8dB @G=H Output Impedance<0.1 Output Power6000mW x 2 @16 THD+N<0.1% 3000mW x 2 @32 THD+N<0.1% 1550mW x 2 @64 THD+N<0.1% 660mW x 2 @150 THD+N<0.1% 330mW x 2 @300 THD+N<0.1% 165mW x 2 @600 THD+N<0.1% Adapter Impedance> 8 BAL IN/BAL OUT THD+N @1kHz A-wt <0.000060% @Output=500mW(32) <0.000055% @Output=80mW(300) THD @20-20kHz 90kBW<0.00004% @Output=500mW (32) <0.00003% @Output=80mW(300) SNR @MAX OUT 1kHz A-wt151dB Dynamic Range @1kHz A-wt151dB Frequency Response20Hz-40kHz(±0.05dB) 10Hz-200kHz(±0.1dB) Output Level60 Vpp @G=L 60 Vpp @G=M 60 Vpp @G=H AP Measured Noise Level @A-wt<0.7uVrms @G=L <1.2uVrms @G=M <2.5uVrms @G=H Actual Noise Level* @A-wt<0.3uVrms @G=L <1.0uVrms @G=M <2.3uVrms @G=H Channel Crosstalk @1kHz-153dB Input Sensitivity22.0Vrms @G=L 7.0Vrms @G=M 2.1Vrms @G=H Gain-0.1dB @G=L +10.3dB @G=M +19.8dB @G=H Output Impedance<0.1 Output Power22000mW x 2 @16 THD+N<0.1% 14000mW x 2 @32 THD+N<0.1% 7000mW x 2 @64 THD+N<0.1% 3000mW x 2 @150 THD+N<0.1% 1500mW x 2 @300 THD+N<0.1% 750mW x 2 @600
THD+N<0.1% Adapter Impedance> 8 *Note: The actual noise level is obtained by boosting the noise of A900 by 40dB using a low noise amplifier in front of the APx555B then dividing the measured noise by 100 times. A900 Pre-Amplifier
THD+N<0.1% Adapter Impedance> 8 *Note: The actual noise level is obtained by boosting the noise of A900 by 40dB using a low noise amplifier in front of the APx555B then dividing the measured noise by 100 times. A900 Pre-Amplifier
Specifications
Output Impedance: 100Warranty & Returns
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