Fosi Audio P2 Headphone Compact Vacuum Tube Headphone Mini HiFi Stereo Low Ground Noise Output Port Amplifier, Amplifier, Audio, Protection, 6.35mm

---------------------------------------------------------------------- 【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. ----------------------------------------------------------------------

♬ Premium Sound: Low ground noise, built-in output protection, no buzzing or ringing noise, this headphone amplifier is specially designed for audiophile-level sound quality and HiFi audio enthusiasts. The built-in protection circuitry ensures safety for your expensive and valuable headphones. ♬ Stereo Preamp: The P2 is both a headphone amplifier and a preamp. It has two input methods: RCA and AUX, and comes with a 6.35mm to 3.5mm adapter. ♬High-Performance Headphone Amplifier: As a Hi-Fi vacuum tube headphone amplifier, the two 6K4 J-grade vacuum tubes can easily power high-performance headphones such as HD580, HD600, HD650, K701, K702, Q701, etc. ♬ Tube Compatibility: The P2 preamp tubes are replaceable with 6J1/6J4/GE5654/6AK5/6*1n/E180F/6*9n/EF861/6688 tubes, etc. Packing details: P2 headphone amplifier *1, 5725W vacuum tube *2, DC12V power supply *1, 6.35mm to 3.5mm adapter *1, user manual *1. If you have any problems with the product, please feel free to contact us. Specifications: Op-amp: NE 5532 Audio Input: 3.5mm audio jack, stereo L/R RCA Frequency Range: 20Hz - 20kHz THD: ≤0.03% Matching Headphone Impedance: 32 - 600Ω NR: ≥95dB Operating Voltage: DC 12V Input Sensitivity: 0.2mV Dimensions: L 99*W 98*H 33mm Net Weight: 0.25kg