{"product_id":"upc1892-preamplifier-tone-control-board-speaker-amplifiers-preamp-treble-bass-e","title":"UPC1892 Preamplifier Tone Control Board Speaker Amplifiers Preamp Treble Bass E","description":"\u003cp\u003eITEM NAME:UPC1892 Preamplifier Tone Control Board Speaker Amplifiers Preamp Treble Bass E UPC1892 Preamplifier Tone Control Board Speaker Amplifiers Preamp Treble Bass E Product Image: Product Description: Note: This is a preamplifier board  DIY kits ,So it  requires soldering by yourself. Please refer to the circuit diagram soldering on the PCB board. When using DC power, please short the JR1 solder joint. (JR1 is a short solder joint) 1. Single power input: AC 10V-15V \/ DC 12V-22V.Signal Power supply can use for car  Modification. 2. The sound effect is better than the LM1036, sound quality. The treble is crisp and the bass is strong. 3. It adopts four-channel surround sound ultra-large-scale processing chip UPC1892 , which is powerful. 4.UPC1892 High and low sound, balance, volume control is DC, there will be no noise such as pottery rustling. 5. The potentiometer spacing of the reference figure is 24-24-35. If you need 24-24-24 spacing, please move the volume potentiometer to the left to install one. 6.PCB adopts 1.6mm thick double-sided fiberglass board, tin-spraying process, high quality. Package: 1pc Kits Feedback Warranty.Find many great new \u0026amp; used options and get the best deals for UPC1892 Preamplifier Tone Control Board Speaker Amplifiers Preamp Treble Bass E at the best online prices at Order2india Shopping! Free shipping for many products!\u003c\/p\u003e","brand":"O2INEW","offers":[{"title":"Default Title","offer_id":1613374193679,"sku":"O2I-0-224157824009","price":2624.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0929\/2582\/products\/s-l2000__50396_01035eee-b633-4669-8b29-98973499f5dd.jpg?v=1680084782","url":"https:\/\/order2india.com\/products\/upc1892-preamplifier-tone-control-board-speaker-amplifiers-preamp-treble-bass-e","provider":"ORDER2INDIA SHOPPING","version":"1.0","type":"link"}