M4 stage monitor

M4 monitor front

M4 stage monitor

Stage Monitors

2-way stage monitor

  • Components 15"/1.3"
  • Dispersion 50° x 70° rotatable
  • SPLmax 140 dB
  • Weight 20 kg / 44 lb

Article number Z0800

Where to buy

Product description

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.

Amplifiers

The M4 monitor can be driven in passive mode, requiring one amplifier channel.
Alternatively, for increased headroom, the M4 can be driven in 2-Way active mode, using two channels.
The following amplifiers can be used to drive the M4.

Mobile

Installation

System data
Frequency response (-5 dB standard)
55 Hz - 17 kHz1
Max. sound pressure2
with 10D
with D25/25D
with D40/D80/D90/40D

134 dB3 / 135 dB4
138 dB3 / 140 dB5
138 dB3 / 140 dB5
Cabinets per amplifier channel (passive mode)
2
Cabinets per D20/D80/D90 (active mode)
4
Loudspeaker data
Configuration
2-way stage monitor
Nominal impedance
8 Ω
Power handling capacity (RMS/peak 10 ms)
400/1600 W
Nominal dispersion angle (h x v)
50° x 70° rotatable
Components
15" driver with neodymium magnet
coaxial 1.3" exit compression driver with 3" coil and CD horn
passive crossover network
Connections
2 x NLT4 F/M
optional 2 x NL4
Dimensions / weight
Dimensions (h x w x d)
363 x 580 x 505 mm6
14.3 x 22.8 x 19.9" 2
Weight
20 kg
44 lb

1 with floor coupling
2 1 m, free field, SPL max peak test signal: pink noise with crest factor 4, one speaker driven
3 passive mode
4 active mode (10D only)
5 active mode
6 overall dimensions (projected footprint)

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d&b applications

Mobile application or fixed installation? Indoors or outdoors? Large or small? d&b provides tailored-made solutions for each and every requirement. What is more, the dedicated simulation software optimizes the planning of the system installation.
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