DRV134PA dual-channel single-ended to balanced finished boardCan be used for CD player or pre-level output, so that it has a balanced output function Or used in a power amplifier to make it have a full bridge functioncenter hole distance of output balance seat: 38.1mmRecommended power supply voltage: +/- 12v power supplyDRV134PA is composed of 3 pieces of precision op amps. After conversion, the positive and negative waveforms are exactly the same, and ordinary op amps cannot meet the requirements. colour: greenMaterial: PCBSize: 63x63x27MM Package Contents:1 x Single-Ended to Balance Board Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.