Helix AAC.3 HP

Max. speaker input level25 Volts (= 155 Watts / 4 Ohms)
Input impedance13 Ohms
Max. output level4.0 Volts
Frequency response18 Hz - 80,000 Hz
Max. current for remote output200 mA
Operating voltage7 - 18 Volts
Dimensions (H x W x D)77 x 37 x 20 mm /
3.03 x 1.46 x 0.79″.