Feature: 1. Provides two sets of amplifier inputs and two sets of speaker outputs, each with independent switch. 2. Compatible with all types of power amplifiers and speakers. 3. Each channel supports power up to 200W, it produces quality sound with zero noise and zero interference and will not degrade sound. 4. Passive device needs no external power supply and delivers loseless transmission. 5. Compact size with heavy-duty steel housing, suitable for any system. Specification: This speaker selector is an audio signal switch controller center. It provides two sets of amplifier inputs and two sets of speaker outputs, making it convenient and flexible to listen to different loudspeakers and power amplifiers. Features: Provides two sets of amplifier inputs and two sets of speaker outputs, each with independent switch. Compatible with all types of power amplifiers and speakers. Each channel supports power up to 200W, it produces quality sound with zero noise and zero interference and will not degrade sound. Passive device needs no external power supply and delivers loseless transmission. Compact size with heavy-duty steel housing, suitable for any system. Specifications: Brand: LINEPAUDIO Material: Metal Color: Black Input: 2 sets of input Output: 2 sets of output Channel power: up to 200W per channel. Frequency response: 10 Hz to 50 kHz. Item Size: 21*11*4.5cm / 8.26 * 4.33 * 1.77in Item Weight: 712g / 25.11oz Package Weight: 876g / 30.89oz Package Size: 26*18.5*6.5cm / 10.23 * 7.28 * 2.55in Packing List: 1 * Speaker Selector Package List: 1 * Speaker Selector