Ampapa A1 Vacuum Tube Phono Preamp Headphone Amp Hi-Fi Audiophile Preamplifier for MM Turntable Record Player with Tone Control for Home Stereo Desktop Computer Receiver

Brand: Ampapa. Model: A1. Audio input: Phono MM Stereo RCA. Audio output: Stereo RCA 3.5mm Headphone Jack. Input level: 0.775V RMS RCA 0.005V RMS Phono). Frequency response: 20Hz-20KHz ±0.5dB RCA Ref to RIAA-2dB Phono). Headphone output power: 125mW 3262.5mW(6430mW(128. Headphone impedance range: 16-300. THD: 0.1%. Output level: 1.5V RMS RCA 0.6V RMS Phono). S/N ratio: 106dB RCA 80dB(Phono). Working voltage: DC 12V1.5A). Package weight: 900g1. 98lb. Package dimensions WDH): 26014578mm 10.245.713.07in. Phono Stage Audio Pre-Amplifier Headphone Amp: Ampapa A1, designed to amplify the low audio signal from your MM turntables, Phonograph, MP3, MP4, phone, tablet, PC, CD player, lossles music player etc. easier to drive amplifiers, active speakers and most headphones such as HD650 K701 DT770 ATH-M50X T1 T90 SR325 RS1e. etc. Retro Tube Sound Tone Control: With classic JAN GE5654 vacuum tubes, A1 reveals warm and fine sound, highlights great musicality and improves everything associated