The MT-215B sub bass loudspeaker systems shall incorporate 2×15＂ LF transducer mounted in separate vented sub enclosures tuned for optimum low frequency response. System frequency response shall vary no more than from 32Hz to 300Hz(-3dB) measured on axis.

The loudspeaker shall produce a Sound Pressure Level (SPL) of 102dB SPL on axis at 1 Metre with a power, and shall have a nominal impedance of 4 Ohms. Input connectors shall be 2 Neutrik NL4 Speakon. A total of 4 handles shall be provided for the MT-215B.

The loudspeaker enclosure shall be rectangular in shape. It shall be constructed of 18mm thickness plywood and shall employ extensive internal bracing. It shall be finished in wear-resistant textured black paint. The front of the loudspeaker shall be covered with a powder coated perforated steel grill backed with open cell foam to protect against dust.
 

Type:	Subwoofer
Drivers:	2×15” bass driver, 4” voice coil, 8.5" Magnet
Frequency Response:	32Hz-300Hz(-3dB)
Rated Power:	900W
Sensitivity:	102dB/1W/1M
Max SPL:	131dB continuous , 137dB peak
Nominal Impendance:	4Ω
Connectors:	2 x Neutrik NL4
Dimensions:	465×880×660mm(H×W×D)
Net weight:	57.2Kg