NE5532 Power Amplifier Pre-stage Tuning Board High Middle Bass Adjustment Three-frequency Equalization Board Dual Op Amp

Features 1 The tuning board adopts a neat layout the overall size is quite satisfactory and the components are arranged neatly and uniformly Super mute design good noise reduction effect 2 This module uses two domestic NE5532 dual op amps and adds mid range adjustment to the traditional high and low sounds which fully meets the needs of multiple types of audio adjustments The sound quality performance is good and it uses a high quality 8P chip socket It is convenient for users to replace the op amp chip by themselves 3 There is a capacitor array composed of 12 high frequency and low resistance ESR capacitors on the power supply side which effectively reduces power interference and has a good filtering effect The rectifier part uses an excellent rectifier bridge module not a simple diode 4 The standard potentiometer spacing is convenient for users to install and use in various cases The potentiometer spacing is standard 24 24 24mm which can adapt to most cases Specification Name Dual Op Amp Tri band Equalization NE5532 Pre stage Tuning BoardSupply voltage dual power transformer 12VModule size 99mm 69mm 19mm length width and height excluding knob protrusions Product weight 93 gramsAudio input 3P terminal blockAudio output 3P terminal blockAdjustment knob total volume treble midrange bassPotentiometer spacing 24 24 24mmPackage included 1 x NE5532 Dual Op amplifier Module