Pyle Model : PSLSW4 4-CH. SPEAKER SELECTOR SYSTEM MULTI-ZONE SPEAKER SELECTOR, 4-CHANNEL AUDIO SPEAKER RECEIVER SYSTEM Features: * Convenient Audio Control for Up to 4 Pairs of Speakers * Home Theater Stereo Amplifier System Support * Independent Audio Source Channel Volume Controls * Input/Output: Screw Type Connector Terminals * Compact Desktop / Tabletop Receiver Design * Front Panel Button Control Center * Master Power Switch * Built-in Electronic Overload Protection Circuitry Technical Specs: * Power Handling: 100 Watt MAX Per Audio/Speaker Channel * Speaker Selector Type: 4-Channel * Speaker Cable Wire Support: Up to 14-Gauge (14 AWG) * Minimum Impedance: <8 Ohm * Frequency Response: 20Hz-20kHz * Dimensions (L x W x D): 16.9'' x 6.3’’ x 3.0'' -inches