Auto Power for Amplifier Compact Bass Subwoofer Equalizer Crossover Controller Product Description Description: Design: No power supply design, can be directly inserted and used, no input and output signal loss, switch transmission. Two adjustment methods: 1. by gain adjustment, 2. by frequency adjustment. Usage: mainly used to select common output devices and switch various stereo signal inputs. If there are two stereo signal sources (such as TV audio, MP3 player, CD player, video game, mobile phone, tablet, computer, recorder), the device needs to output to the power for amplifier or active speakers. Stereo source switcher: Two sets of stereo source switchers solve the complicated line blocking for operation. As long as the required input device signal source is uniformly connected to the switch, it can be easily selected. for RCA interface: The input and output standard adopts for RCA interface design, and the switch adopts accurate 2-position manual button switch. Specification: Type: auto power for amplifier. Quantity: 1pc. Material: ABS + electric component. Color: black. Voltage: 12v. Frequency: 150Hz - 40Hz. Gain: 0db to -12db. Net weight: 70g/ 2.47oz. Package Includes: 1 Piece Auto Power for Amplifier. On 02-Jul-2025 at 11:31:18