The Yamaha MS400 is a 2-way, bi-amplified powered speaker system that delivers a total of 400 watts of burst power (300W low frequency and 100W high frequency).
Speaker Type: 2-way bi-amp powered speaker
Drivers: 15-inch low-frequency woofer and 2-inch high-frequency titanium diaphragm driver
Power Output: 400W total burst power (300W LF / 100W HF)
Frequency Range: 50 Hz – 16 kHz (-10 dB)
Nominal Dispersion: 90° horizontal x 40° vertical
Maximum SPL: 121 dB SPL (1m on axis)
Inputs/Outputs: Independent Mic and Line inputs, balanced XLR jack, phone connector, parallel output jack for daisy-chaining, and a headphones jack.
Equalization: Built-in 2-band EQ (Low and High)
Dimensions & Weight: Approx. 17.7" W x 26.3" H x 14.9" D (449 x 668 x 379 mm); Weight: 53.3 lbs (24.2 kg)