MLA SystemsInstalled SoundLive Sound


15" Powered Subwoofer and Power Plant for MLA Mini

MSX Product Shot (Front)
MSX Product Shot (Back)
MLA Mini Awards

Not available Separately. Available with MLA Mini Only

Where to Buy or Rent

Amplification, networking and DSP are all housed in MLA Mini’s companion MSX Power Plant, which includes 9 channels of Class D amplification – 1 channel for itself, and 8 channels to provide cellular drive of up to 4 bi-amped MLA Mini enclosures. Crossover, delay and EQ functions are implemented by a combination of IIR and FIR filters.

MLA Mini arrays and MSX’s can be remotely controlled over the U-NET™ network from a laptop or wireless tablet running VU-NET control software. Small-scale systems – such as the configuration of 4 x MLA Minis and 1 x MSX – can be set up to plug-and-play without external control, with onboard presets recalled by a rear panel selector switch.

The MSX is the same width as the MLA Mini and can be integrated into flown arrays or ground-stacked separately. It features a 15" (380mm)/4" (100mm) voice coil, long-excursion driver reflex-loaded in a very compact enclosure.

For complete installation versatility, the power plant module itself can be rack- mounted and its sub-bass amplifier channel used to power either an MSX or an alternative Martin Audio 4 Ohm passive subwoofer. For ultimate sub-bass performance, the MLA Mini/MSX combination can be used with the powered DSX subwoofer.

User guide Brochure Datasheet
TYPE15” reflex loaded subwoofer
-10dB @ 42Hz
MAXIMUM SPL @ 1m133dB continuous, 136dB peak (3)
1 x 15” (380mm)/4” (100mm) voice coil, ultra-long excursion, high efficiency ferrite magnet
800W AES, 3200W peak
MSX Dispersion
Omnidirectional. Cardioid arrays possible, using multiple MSX enclosures
Audio input
CONNECTORSFemale XLR input, male XLR link output
ANALOGUE INPUT IMPEDANCE20kΩ balanced to ground
MAXIMUM ANALOGUE INPUT LEVEL6.15Vrms (+18dBu), over voltage protected
AES/EBU IMPEDANCE110Ω balanced, receive and transmit termination
Internal Processing
  • Multi-channel DSP, programmable via network
  • 10 PEQ/shelving filters per channel
  • Up to 48dB/Oct HPF and LPF
  • FIR filtering on MLA Mini channels
  • Up to 1 second of delay
  • Limiters with amplifier output current monitoring
CONNECTORSIP68 rated 8-way, quick-release type
Amplifier Module
TYPE9 channel switch-mode, class D
  • 7000W total
  • 1400W MSX (or alternative 4 Ohm subwoofer)
  • 700W MLA Mini LF x 4
  • 700W MLA Mini HF x 4
CONNECTORS2 x NL8 outputs to MLA Mini x 4
  • 2 x temperature controlled internal fans
  • 1 x low-speed internal blower
  • 2 x temperature controlled external fans
MAXIMUM AMBIENT TEMPERATURE45°C (113°F) for full output
Power Supply
TYPESwitch mode, fixed frequency with PFC
AC INPUT OPERATING RANGE100 – 240V ~ AC, 50 – 60Hz
MAINS CONNECTORNeutrik® Powercon True1
ENCLOSUREExtensively braced multi-laminate birch-ply
FINISHTextured black PU coating
PROTECTIVE GRILLEBlack HEX perforated steel
  • Two skids on base, with mating channels on top
  • M20 top-mounted thread plate for MLA Mini pole
  • Integral flyware for suspension of up to 4 MSX
  • Large bar handle on each side
  • Two front-mounted latch plates for wheelboard
  • Optional weather protection cowl
  • Indoor (without weather protection cowl)
  • IP 25 (with weather protection cowl)
  • (W) 500mm x (H) 510mm x (D) 575mm (675mm with vent flap open)
  • (W) 19.7in x (H) 20.1in x (D) 22.6in (26.6in)
WEIGHT (ex. wheel-board)
  • 58kg (128lbs)
  • 65kg (143lbs) inc wheelboard
Architectural Specs

The loudspeaker shall be a self-powered subwoofer capable of being ground-stacked or flown. Its transducer shall be a 15” ultra-long excursion driver in a bass reflex enclosure.

The loudspeaker shall incorporate a Class D amplifier module with nine channels of amplification and DSP to drive itself and four external two-way loudspeakers, with which it will form a complete, self-powered arrayable system. The amplifier shall deliver a total of 3.2kW peak output and include networking capabilities to enable remote control and system monitoring. Its power supply shall employ Power Factor Correction and operate from 100-240V, 50-60Hz AC.

Audio connectors shall be male and female XLR type and the AC power connector shall be a Powercon True1.

The ground plane on-axis frequency response shall be 50Hz-150Hz +/- 3dB and the loudspeaker shall produce a maximum SPL of 136dB peak at 1 metre.

The loudspeaker enclosure shall be constructed from multi-laminate birch ply with a textured black polyurethane coating. The driver shall be protected by a perforated steel grille and the enclosure shall incorporate an integral rigging system to assemble an array suspended from a dedicated flying frame.

Dimensions excluding wheel-board (W x H x D) shall be 500mm x 510mm x 575mm (19.7in x 20.1in x 22.6in). Dimensions (W x H x D) excluding wheel-board with vent flap open shall be 500mm x 510mm x 675mm (19.7in x 20.1in x 26.6in). Weight shall be 58kg (128lbs).

The loudspeaker shall be the Martin Audio MSX.

Martin AudioMSX Tech Drawing

All information is Copyright. Martin Audio Ltd.

Technical Drawings for MSX



3D SketchUp Models for MSX

none currently available


Revit File 

none currently available

Wheelboard / Transit Cover
  • ASF20055. - Transition Frame with Flying Pins (Single)
  • ASF20056. - Long ground stack bar (only 1 needed per stack)
  • ASF20057. - Short ground stack bar (only 1 needed per stack)
  • ASF20058. - MLA Mini Pole mount system (universal bracket & pole)
  • ASF20059. - MLA Mini Pole Mount System (Tilt Bracket & Pole)
  • ASF20051. - MLA Mini Universal Hanging Bracket
  • ASF20062. - MSX Ground-Stack Base-Plate
  • ASF20045. - 35mm Pole Adaptor for Universal Bracket
  • HAM09224. - Wind-up pole
Flight Cases
  • CAR00072. - MLA Mini Flight-Case (Holds 4 x MLA Mini)
  • CAR00073. - MLA Mini Grid Flight-Case
  • CAR00074. - MLA Mini Multi-Deployment Hardware Case
  • HAM09223. - MSX Module rack-mount kit (sold in pairs only)
  • ASF17031. - MLA Merlin Rack - WiFi Enabled 110V & 230V
  • ASF17031. - MLA Merlin Rack. WiFi Enabled 110V & 230V
  • ASF20061. - MSX Rack Mount Amp Module (Includes Rack Mount Kit)
  • ASF20061. - MSX Rack Mount Amp Module *
  • ASF17034. - MLA Merlin Rack. WiFi Enabled 110V
  • ASF17032. - MLA Merlin Rack. Non WiFi Enabled 110 & 230V
  • ASF17035. - MLA Merlin Rack - Non WiFi Enabled 110V
  • ASF17011. - MLA Ruckus Wifi Front of House Rack
  • ASF17012. - MLA Ruckus Front Of House Rack 110v
  • ASF14017. - Panasonic Toughbook PC inc Accessories
  • ASF14004. - Leica Disto D8 Laser Distance Meter
  • ASF14012. - Leica DS510 Laser Disto
Cables / Networking
  • ASF14013. - USB to Ethernet Adaptor (ROW)
  • ASF14014. - USB to Ethernet Adaptor (USA)
  • PWA00040. - Network (U-NET) Cable 35m Belden 1305A
  • PWA00051. - Network (U-NET) Cable 5m Belden
  • PWA00038. - Network (U-NET) Cable 800mm
  • ASF12031. - MLA Mini Speaker Cable - 19 pin to 4 x NL4
  • ASF12030. - MLA Mini Speaker Cable. 19 pin to 4 x NL8
  • ASF12029. - MLA Mini Speaker Cable - 19 pin 15m Extension
  • ASF12002. - 6 Circuit Multi-way Cable 30m
  • ASF12025. - MSX 1.65m Power Cable set. With 2 x PowerCon and moulded Y-split to 1 x IP67 screw-type C-Form.
  • ASF12024. - MSX 2.15m Power cable set- 1 x PowerCon to 1 x IP67 (C-Form)
  • ASF12023. - 5m Power Cable Set. 1 x PowerCon to 1 x IP67 (C-Form)
  • ASF12026. - MLA Mini 3m Double Speaker Cable Set
  • PCX00043. - Unet (ODU female) to RJ45 female converter
  • ASF14016. - Ruckus WAP and Cable

Available in this Series

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Copyright Martin Audio Ltd.
Subject to change without notice.
Martin Audio Ltd. Reg. No. 4824341

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