Gain 20Db Phono Turntable Phonograph Preamp, Dual Op Amp Ne5532 With Rca 3.5Mm Product Details Product Name: Mini stereo audio preamplifier Model: PA001 Input: RCA (L / R) + 3.5mm Output: RCA (L / R) + 3.5mm + headphones Size: 87mm / 3.42in 50mm / 1.96in 37mm / 1.45in Powered: DC 9-19V Compatible input devices: DVD, CD, set-top box, MP3, TV, mobile phone, computer, tablet, phono turntable, sound card, guitar, bass, electronic instrument, game console or other devices. Compatible output devices: speakers, subwoofer, sound Blaster, reverberator, AV receiver, Post-Amp, Headphones, etc. What's in the box: PA001 preamplifier * 1 pcs DC power adapter * 1 pcs It is perfect for audio signal amplification. The amplification multiples is 10 times (20dB). It can directly drive the headphone to work (the headphone output port can't be used with other output ports at the same time), and supports the maximum headphone impedance of 16 ohm. Using the classic Dual OP AMP NE5532, high frequency electrolytic capacitor, noise reduction circuit design, no background noise, effective gain audio, improve sound quality. Input: RCA (L / R) + 3.5mm, Output: RCA (L / R) + 3.5mm + headphones, Poowered by DC 9-19v, static current about 8Ma. With volume adjustment knob, the volume can be adjusted freely. Small size, easy to carry and use. Size: 87mm / 3.42in 50mm / 1.96in 37mm / 1.45in . Widely compatible with all audio devices. Input: DVD, CD, set-top box, MP3, TV, mobile phone, computer, tablet, phono turntable, sound card, guitar, bass, electronic instrument, game console or other devices. Output: speakers, subwoofer, Sound Blaster, reverberator, AV receiver, Post-Amp, Headphones, etc. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.