B032 2-in 4-out Power Amplifier Sound Switcher Speaker Lossless Sound Quality 300W Per Channel Switch Distributor Comparator with Headset Monitoring Function / Audio Input, B032 Option:B032 40HQ: 984 cartons * 110

40HQ: 984 cartons * 110 pcs = 108240 pcs

accurate gear transitions on hairpin turns and straightaways

large view

Helpful photo studio: This photo studio light tent is designed for photographers or those who want to take professional pictures but do not have complex equipment

B032 2-in 4-out Power Amplifier Sound Switcher Speaker Lossless Sound Quality 300W Per Channel Switch Distributor Comparator with Headset Monitoring Function / Audio Input, B032 Option:B032 40HQ: 984 cartons * 110Product description: Do you have trouble connecting two power amplifiers to four sets of speakers? Do you need a power amplifier to make all four speakers sound at the same time? A powerful power amplifier with a sound switcher can solve the above problems. 1. Touch tone switching input for 2 power amplifiers, touch tone selective switching output for 4 stereo speakers (4 sets of speakers can be turned on or off independently) 2. Four sets of stereo