Kustom PA40BAT

Specifications
Speaker Two 4 1/2", 50W 4 Ohm each
Gain Control +70dB {Mic to Speaker Output (CH 1 & 2)}, +50dB {Line to Speaker Output (CH 1 & 2)}, +40dB {AUX IN to Speaker Output}
Auxiliary Input CH 1 {1/8" Headphone/line Level Stereo, mixed mono & Line level 1/4" Un-balanced}
Dimensions 7 (width), 20.75 (height), 7.5 (depth), 21.25 lb
Dimensions (mm) 180 (width), 525 (height), 190 (depth), 9.6 kg
EQ 4kHz and above, 800Hz and below.
Horn Type One 3 1/2 inch piezo driver
Impedance 2x4 Ohms, Not designed for external speakers
Line Output 40W (AC powered with fully charged battery), 36W (Battery powered)
Microphone Input CH 2 {Mic XLR Balanced & Line level 1/4" Un-balanced }