HiFi Vacuum Tube Headphone Amplifier Home Balanced XLR Valve Tube Headphone Amplifier

Real balanced XLR headphone amplifier: with stereo XLR and RCA inputs, H2 canreproduce high-quality audio source from computer/DAC/CD player with excellent separation, resolution, sound field, clean background, 6.35 mm headphone jack and XLR outputs are specially designed for headsets of different types. HiFi warm and sweet tube sound: adopts classic pluggable 6N3 tube to soften the sound, can improve everything detail associated with your music, such as transparency, immediacy, richness, tone etc. Sounds warm and delicate, full and mellow, dynamic and pleasing, strong and powerful. Reasonable circuit and large power: concise wiring to ensure HiFi clear and clean sound, and 2 pieces TPA6120 headphone amp chip are used, each one reponsible for one channel, provides sufficient power and easily drive all 16-600Ω headphones. Independent L/R balance adjustment, can finely adjust the balanced of two channels to match well and get best working performance. Adjustable low/medium/high gain, can match well with different kinds of audio source whose output level is not the same to get much lower distortion and better sound. 4 pieces OPA1612 op amp, 2 pieces responsible for single-ended to differential, 2 pieces for pre-amplification, provides rich sound details and larger dynamic range. Unique modelling and attractive appearance: with LED display to show working status in real time. Black aluminium alloy chassis with vintage warm tube lights, looks cool, exquisite and durable, very suitable for the audiophiles who have different headphones to pursue HiFi sound.; Product description Warm tips: default 6N3 tube can be changed to the following models to enjoy different sound styles: US: 6A8Q / 2C51 / 5670 / 5185 / 6385 / 6185 / WE396 EU: ECC42 Soviet Union: 6H3N / 6H3II Germany: ECF82 Czech: 6CC42 Parameters: Brand: Douk Audio Model: H2 Audio input: stereo L/R RCA / balanced XLR Audio output: 6.35 mm headphone jack/4-core balanced XLR Input sensitivity: 0.775 V Frequency response: ±0.5 dB. THD: 0.08% Matched headphone impedance: 16-600Ω S/N ratio: 105 dB Max output power (32Ω): Balanced output: 400 mW (low gain) / 800 mW (medium gain) / 1500 mW (high gain) Single-ended output: 260 mW (low gain) / 530 mW (medium gain) / 1000 mW (high gain) Working voltage: DC 12 V (not over 12 V) Dimensions (W*D*H): 155(bottom)/167(top)*128*45mm / 6.10(bottom)/6.57(top)*5.04**1.77in Package dimensions (W x D x H): 310 x 280 x 70 mm / 12.20 x 11.02 x 2.76 inches Net weight: 658 g / 1.45 lb Package weight: 900 g / 1.98 lb Package contents: 1 x H2 headphone amplifier. 2 x 6N3 vacuum tube. 1 x DC 12 V power adapter. 1 x 6.35 mm to 3.5 mm headphone adapter. 1 x user manual.; Product description Warm tips: default 6N3 tube can be changed to the following models to enjoy different sound styles: US: 6A8Q / 2C51 / 5670 / 5185 / 6385 / 6185 / WE396 EU: ECC42 Soviet Union: 6H3N / 6H3II Germany: ECF82 Czech: 6CC42 Parameters: Brand: Douk Audio Model: H2 Audio input: stereo L/R RCA / balanced XLR Audio output: 6.35 mm headphone jack/4-core balanced XLR Input sensitivity: 0.775 V Frequency response: ±0.5 dB. THD: 0.08% Matched headphone impedance: 16-600Ω S/N ratio: 105 dB Max output power (32Ω): Balanced output: 400 mW (low gain) / 800 mW (medium gain) / 1500 mW (high gain) Single-ended output: 260 mW (low gain) / 530 mW (medium gain) / 1000 mW (high gain) Working voltage: DC 12 V (not over 12 V) Dimensions (W*D*H): 155(bottom)/167(top)*128*45mm / 6.10(bottom)/6.57(top)*5.04**1.77in Package dimensions (W x D x H): 310 x 280 x 70 mm / 12.20 x 11.02 x 2.76 inches Net weight: 658 g / 1.45 lb Package weight: 900 g / 1.98 lb Package contents: 1 x H2 headphone amplifier. 2 x 6N3 vacuum tube. 1 x DC 12 V power adapter. 1 x 6.35 mm to 3.5 mm headphone adapter. 1 x user manual.; Warm tips: default 6N3 tube can be changed to the following models to enjoy different sound styles: US: 6A8Q / 2C51 / 5670 / 5185 / 6385 / 6185 / WE396 EU: ECC42 Soviet Union: 6H3N / 6H3II Germany: ECF82 Czech: 6CC42 Parameters: Brand: Douk Audio Model: H2 Audio input: stereo L/R RCA / balanced XLR Audio output: 6.35 mm headphone jack/4-core balanced XLR Input sensitivity: 0.775 V Frequency response: ±0.5 dB. THD: 0.08% Matched headphone impedance: 16-600Ω S/N ratio: 105 dB Max output power (32Ω): Balanced output: 400 mW (low gain) / 800 mW (medium gain) / 1500 mW (high gain) Single-ended output: 260 mW (low gain) / 530 mW (medium gain) / 1000 mW (high gain) Working voltage: DC 12 V (not over 12 V) Dimensions (W*D*H): 155(bottom)/167(top)*128*45mm / 6.10(bottom)/6.57(top)*5.04**1.77in Package dimensions (W x D x H): 310 x 280 x 70 mm / 12.20 x 11.02 x 2.76 inches Net weight: 658 g / 1.45 lb Package weight: 900 g / 1.98 lb Package contents: 1 x H2 headphone amplifier. 2 x 6N3 vacuum tube. 1 x DC 12 V power adapter. 1 x 6.35 mm to 3.5 mm headphone adapter. 1 x user manual.

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