B050 Passive Speaker Volume Adjustment Controller, Left And Right Channel Independent Volume Adjustment, 150W Per Channel TEYUN Memory foam neck pillow can

Memory foam neck pillow can support your head on airplane or car

Material: Environmentally friendly ABS material

network boxes

Network: GSM: 850/900/1800/1900

Memory: 1 + 8G

B050 Passive Speaker Volume Adjustment Controller, Left And Right Channel Independent Volume Adjustment, 150W Per Channel TEYUN Memory foam neck pillow canProduct description 1. External power amplifier rear passive speakers left and right sound channel double knob independent volume adjustment control box 2. Each channel supports 150 watts of processing power 3. Independent control of stereo channel (Left track and right track) 4. Volume control knob, clean, smooth volume adjustment can be achieved. 5. Input outputUse screw type connector terminals 6. Simple for operating, after the left and right