Product presentation:Do you have 3 power amplifiers and 3 sets of speakers that need to be connected to each other?Do you need 3 amplifiers and 3 sets of speakers to get stuck?A powerful amplifier and audio switcher can solve these problems,1. 3 power amplifiers push-button select switch input,3 sets of stereo speakers push-button select switch output (3 sets of speakers can be opened or closed independently)2. 3 sets of stereo speakers can sound at the same time, you can also turn off one group of speakers or more groups of speakers individually, manually select the pushbutton switch3. The maximum power of each channel is 300W4. Signal input provides vacuum tube power amplifier signal no-load protection function5. manual selection of input and output switching, straight plug straight use, switching signal stability, between channels will not produce another dry close or noise6. Compact design of solid metal shell, easy installation, the product does not need external power7. Simple installation: input and output plug and play easy installation, you can enjoy different audio experienceProduct Parameter:1. Compatible with all types of power amplifiers and speakers2. Input/output accepts heavy-duty speaker wire or speaker pin wire through the terminal port3. Connect the power amplifier to amplifier 01-02-034. Connect the loudspeaker to position A-B-C respectively5. Turn on your power amplifier stereo device and the product requires no external power supply6. Input:3 sets of inputs (banana plug)7. Output:3 sets of output (banana plug)8. Power: up to 300W9. Metal material, fine steel housing, compact size suitable for any system10. Channel Power: Each channel supports up to 300W of power11. Frequency response: 10Hz-50KHz12. Net weight :0.96 kg13. Packed weight :1.13 kg14. Product size: length 240mm X width 105mm X height 55mm15. Packing size: length260mm X width 185mm X height 65mm16. Kit list: 3 input 3 output power amplifier and sound switcher loudspeaker switch distributor x 1Specification: Package Weight One Package Weight 1.10kgs / 2.41lb One Package Size 26cm * 18.5cm * 6.5cm / 10.24inch * 7.28inch * 2.56inch Qty per Carton 20 Carton Weight 24.00kgs / 52.91lb Carton Size 53cm * 38cm * 35cm / 20.87inch * 14.96inch * 13.78inch Loading Container 20GP: 378 cartons * 20 pcs = 7560 pcs40HQ: 878 cartons * 20 pcs = 17560 pcs