SUB400-amp
(1) Frequency response: +/- 3dB, measured at 3 meters, on axis, half-space conditions - MLSSA 1/3 octave
(2) Max peak SPL: Measured with music referred to 1 meter
(3) Crossover: Acoustical crossover frequency - at these frequency, transducers produce equal sound pressure level
(4) AES: Power handling is measured under AES standard conditions
(5) Power AMPS: Amplifier RMS output power per channel into 2 ohms, both channel driven