Product description Vintage Tube Sound Enjoy a rich and warm sound profile, with the H2's classic 6N3 vacuum tube enhancing music details and delivering a dynamic, full-range listening experience. Stylish LED Display The H2's sleek design features an LED display for real-time status updates and a vintage aesthetic that complements any audio setup. High-Power Output Drive a wide array of headphones with ease thanks to the H2's powerful dual TPA6120 amp chips, capable of handling impedances from 16 to 600 ohms. Adjustable Sound Settings Customize your audio with independent L/R balance adjustment and variable gain settings, ensuring optimal performance for different audio sources.
Balanced XLR Input Experience superior sound quality with the H2's real balanced XLR input, compatible with a range of audio sources for excellent audio reproduction. All-Inclusive Package Every purchase includes the H2 amplifier, two 6N3 vacuum tubes, a power adapter, a headphone adapter, and a user manual for a complete and immediate HiFi sound experience. Packing List 1*H2 Headphone Amplifier 2*6N3 Vacuum Tube 1*DC 12V Power Adapter 1* 6.35 mm to 3.5 mm Headphone Adapter 1*User Manual Douk Audio H2 Replaceable tube models (default 6N3):
US: 6A8Q / 2C51 / 5670 / 5185 / 6385 / 6185 /
WE396 EU: ECC42
Soviet Union: 6H3N / 6H3II
Germany: ECF82
Czech: 6CC42 Parameters
Audio input: stereo L/R RCA / balanced XLR
Audio output: 6.35 mm headphone jack / 4-core balanced XLR
Input sensitivity: 0.775V
Frequency response: ± 0.5 dB
THD: 0.08 %
Matched headphone impedance: 16-600
S/N ratio: 105dB
Max Balanced output (32): 400mW (low gain) / 800mW (medium gain) / 1500mW (high gain)
Max Single-ended output (32): 260mW (low gain) / 530mW (medium gain) / 1000mW (high gain)
Working voltage: DC 12V (can't over 12V)
Dimensions (W*D*H): 155 (bottom) /167 (top) *128*45mm / 6.10 (bottom) / 6.57 (top) * 5.04 ** 1.77 in
Package dimensions (W*D*H): 310*280*70mm / 12.20 * 11.02 * 2.76 in
Net weight: 658g / 1.45 lb
Package weight: 900g / 1.98 lb