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

Welcome to MJ Select. We are Japanese seller. We ship authentic items from Japan. Please enjoy shopping with peace of mind! ----------------------------------------------------------- 【About Included Manuals】 If a manual is included, it will primarily be in Japanese. We recommend using image translation apps if needed. 【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. ----------------------------------------------------------- ♬Quality Sound: A headphone amplifier designed specifically for customers who pursue low ground noise, built-in output protection circuit, no buzzing or ringing noise, audiophile level sound quality, HiFi sound quality. Built-in protection circuit makes it safe even for expensive and valuable headphones. ♬Stereo Preamplifier: P2 is both a headphone amplifier and a preamplifier. There are two input methods: RCA input and AUX input, and the product comes with a 6.35mm to 3.5mm adapter. ♬High Performance Headphone Amplifier: As a Hi-Fi tube headphone amplifier, two 6K4 J grade vacuum tubes can easily power high performance headphones such as HD580, HD600, HD650, K701, K702, Q701, etc. ♬Tube Compatibility: The vacuum tubes of the P2 preamp can be replaced with 6J1/6J4/GE5654/6AK5/6*1n/E180F/6*9n/EF861/6688 vacuum tubes, etc. ♬Delivery details: P2 headphone amplifier*1, 5725 vacuum tube*2, DC12V power supply*1, 6.35mm to 3.5mm adapter*1, user's manual*1, 24-month worry-free warranty. If you have any problems with the product, please feel free to contact us. *[Note] The tube has been upgraded to a 5725 tube (the tube in the photo is a 6K4 tube). Specifications: Op Amp: NE 5532 Audio Input: 3.5 mm audio jack, stereo L/R RCA Frequency Range: 20 Hz - 20 kHz THD: ≤0, 03% Matching Headphone Impedance: 32 - 600Ω NR: ≥ 95 dB Working Voltage: DC 12 V Input Sensitivity: 0.2 MV Dimensions: L 99 * W 98 * H 33 mm Net weight: 0.25 kg