M-C15

Two-way passive coaxial monitor

M-C15

Two-way passive coaxial stage monitor

Coaxial design for true point-source performance

Signature EM Acoustics passive crossover for unprecedented frequency and phase response

15"/1.3" neodymium coaxial drive unit

The M-C15 is the larger of two new coaxial stage monitors from EM Acoustics – a compact two-way design intended to satisfy the most demanding artist. The M-C15, and the smaller companion M-C12 – are intended not only to be world-class stage monitors, but also to suit today’s rental market by being genuine multi-purpose loudspeakers.

  • Features allow use both as a stage monitor but also a powerful FOH or installation product
  • 60°H x 40°V constant directivity waveguide
  • Premium 15mm multi-laminate birch plywood enclosure
  • Black or white textured paint finish
  • Optional weather protection or RAL custom colours
  • 35mm polemount (hidden inside handle) and four M8 threaded rigging points
  • Hex punched steel grille backed with acoustically transparent black fabric

The low-profile enclosure contains a 15” (381mm) neodymium LF drive unit with a coaxial 1.3” (33mm) exit HF compression drive unit, linked via the internal passive crossover network. Both the LF and HF drive units share the same magnet assembly, reducing overall weight and enclosure profile – making the M-C15 very compact and sleek. The HF drive unit is coupled to a bespoke constant-directivity waveguide, which produces a 40°H x 60°V dispersion pattern on stage.

The robust enclosure is constructed from premium multi-laminate Birch plywood and is finished in impact resistant textured paint. The enclosure contains a pair of M8 threaded mounting points in each end for attaching the optional flying hardware, and a 35mm polemount is hidden discreetly inside one of the handles to allow stand mounting. When used in this way as a powerful front-of-house loudspeaker, the waveguide produces a 60°H x 40°V coverage pattern. 

The M-C15 is supplied in black as standard, however RAL colour matching and weather protection options are also available if required. The front of the loudspeaker is protected by a rigid 2mm steel grille backed with acoustically transparent fabric and supported by steel braces for additional strength. Two flush handles and protective floor skids complete the hardware package, and a single NL4 connector is provided on each end within a sculpted recess for discreet cabling.

The M-C15 requires a single amplifier channel, and should be used with professional power amplifiers capable of delivering 750-1000W RMS into an 8-ohm load. For optimum results, the EM Acoustics DQ10 or DQ20 Advanced System Amplifiers, or the AQ Series power amplifiers in conjunction with the DSC48 system controller (for loudspeaker protection) should be used.

Enclosure TypeTwo-way coaxial passive, reflex loaded
ComponentsCoaxial 15” (381mm) LF/1.3” (33mm) exit HF with bespoke waveguide
Dimensions (HxWxD), mm/(ins)

359 (14.1) x 570 (22.4) x 505 (19.9) mm/(ins)

Net/Shipping Weight25/27.3kg (55/60lbs)
Frequency Response55Hz – 20kHz +/- 3dB
Nominal Dispersion40H x 60V (monitor orientation, -6dB points) 60H x 40V (FOH orientation, -6dB points)
Maximum SPL132dB continuous, 138dB peak
Power Handling400W RMS, 800W program
Nominal Impedance8 ohms passive