DETAILSFeatures: Up to 4 Separate Speaker Pairs to your Stereo System Accepts Speaker Wires Up to 14- Gauge Protection Circuitry Keeps it Running Smoothly Individual Speaker Volume Control Multi-Channel High Powered Amplifier Accepts Speaker Wires Up to 14- Gauge Protection Circuitry Keeps it Running Smoothly Individual Speaker Volume Control Support Two Stereo Amplifiers Rugged & Durable Housing Construction, Cabinet Heatsink Control Powered 4 Channel Amplifier Plug and Play Easy Install What's in the Box: High Power Stereo Speaker Selector Technical Specs: Construction Materials: Aluminum Power Output: 4 x 100 Watts Amplifier Design: 4-Channel Minimum Impedance: 8 Ohms Frequency Response: 20Hz - 20KHz Signal to Noise Ratio: >81dB Channel Separation: 80 dB Crosstalk between Channels: 50 dB Speaker Terminal Wire Size: 14-22 gauge Max. Amplifier Input: 100W RMS, 150W AVG Max. Output per Speaker: 18W RMS, 50W AVG Frequency Response: 20Hz-20KHz Product Dimensions: 6.29'' x 16.92'' x 3.03''-inches What's In The BoxWhat's in the Box: High Power Stereo Speaker Selector MANUALS & DOWNLOADS PLSHVC412 - Manuals