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Products / Audio / Monitors / M4


The M4 is a 2-way high performance stage monitor employing an integrated 15” LF and 1.3” exit horn loaded HF coaxial driver design that utilizes neodymium magnets. The constant directivity dispersion of 50° x 70° (h x v), which this unique horn provides, delivers an accurately defined coverage area on stage. The M4 can also be operated in 2-Way Active mode. When the cabinet is used in an upright position the M4 serves as a powerful PA loudspeaker with a 70° x 50° dispersion suitable for a variety of applications. For dedicated installation applications the dispersion characteristics of the M4 driver assembly can be rotated in 45° increments. The M4 cabinet is constructed from marine plywood, which incorporates the handles, has an impact resistant paint finish, M10 threaded inserts and a socket to accept loudspeaker stands. The front of the loudspeaker cabinet is protected by a rigid metal grill backed with an acoustically transparent foam. Two runners recessed in the bottom panel protect the cabinet from scratching and prevents movement.

15" driver with neodymium magnet
coaxial 1.3" exit compression driver with 3" coil and CD horn
passive crossover network
Max. sound pressure
with D6
with D12/D20
with D80
134 dB SPL
138 dB / 140 dB
138 dB / 140 dB
Power handling capacity (RMS/peak 10 ms)
400/1600 W
Frequency response (-5 dB)
55 Hz - 17 kHz
Nominal dispersion angle (h x v)
50° x 70° rotatable
Cabinets per channel (passive)
Cabinets per D12 (active)
Cabinets per D20/D80 (active)
Dimensions inch (H x W x D)
14.3 x 22.8 x 19.9"
Weight lb