POWER DRIVE 4-Channel Pro Power Bridgeable Class AB Amp (1,000 Watts max) iPhone 7 Plus 2 separate inputs--RCA & 3

2 separate inputs--RCA & 3

Effectively reduces background noise

Lenovo(R) ThinkPad x230s

Requires 2 AA batteries & 2 AAA batteries

POWER DRIVE 4-Channel Pro Power Bridgeable Class AB Amp (1,000 Watts max) iPhone 7 Plus 2 separate inputs--RCA & 3Class AB; Bridgeable; Variable input voltage; QTD (Quick Thermal Dispersion) technology heat sink; Low noise preamp; High level inputs; Low level RCA inputs & outputs; 2 & 3 channel operation modes; Built in variable electronic crossover (HP & LP); Onboard bass boost; Easily ties into OEM audio systems; 1,000W max; 125W RMS x 4 @ 4ohm ; 250W RMS x 4 @ 2ohm ; 500W RMS x 2 @ 4ohm bridged; Dim: 3. 8"H x 14. 2"W x 11. 4"D Warranty: One Year Country of