Mini 6N3 Electronic Tube 1100mW Output Power HIFI Headphone Amplifier NE5532P

D2 small mini tube bile amp HiFi fever pre-headphone power amplifier Product Description 1: Using Beijing classic high-quality 6N3 electronic tube, the sound of this machine is atmospheric, the sound field is open, soft and smooth, especially suitable for vocals, string music, light music, classical music and other music. Delicate high frequency and powerful low frequency. 2: Super mini size and exquisite appearance, looks elegant and charming, aluminum alloy chassis, with power indicator and volume control, easy to use, very suitable for your desktop or smaller space in your home or office. 3: D2 adopts the design concept of pre-stage tube and rear-stage transistor. The pre-stage adopts tube amplification, so that the input sound signal has good sound performance and high dynamic range, and has the characteristics of natural and realistic sound. The rear stage adopts TI's NE5532P operational amplifier. The output, speed and power of the sound signal are guaranteed, combining the advantages of both amplification technologies. 4: D2 small miniature tube amp, using a specially designed low-noise power supply circuit, truly realizes the low noise floor of this machine. Product parameters Model: D2 Signal-to-noise ratio: ≥110dB Frequency response: 20Hz-30KHz Output power: ≥1100MW (32Ω) Adapter headphone impedance: 18-600Ω Total harmonic distortion: <0.005% Packing list: main unit*1, electronic tube*1, power supply*1, manual*1