Mackie SRM150 Compact Active PA Monitor Speaker

MackieSKU: 002487

Sale price£285


It may be small...

But it's mighty. Don't be deceived by its size. The SRM150 is more than just a compact PA system. It's a complete package of phenomenal sound and flexibility in one rugged, easy-to-carry cabinet.

Take advantage of Mackie's expertise when it comes to sound. Equipped with a Mackie 3-channel mixer, the SRM150 puts you in control. Versatile connectivity options, including two high-headroom Mackie mic/line preamps with switchable phantom power let you hook up a variety of sound sources. Plus, with a handy instrument switch on channel 1, you don't even need a DI box. Just plug in and experience that revered Mackie sound quality.

Speaking of sound quality... The integrated 150W Class-D power amplifier provides the perfect platform for driving the SRM150's weather-resistant 5.25'' full-range neodymium driver. Capable of producing a maximum SPL of 120dB (at 1-metre), you have plenty of volume on tap. Perfect for personal monitoring, small practice spaces, and more.

Rugged and reliable

Mackie's 'Built-Like-A-Tank' construction is renowned the world over. And the SRM150 is built the exact same way. Premium components and a road-worthy design, including the robust moulded cabinet, ensure that your speaker will provide you with years of powerful performance. Plus, with a handy top-mounted handle, transporting your SRM150 is quick and easy, whilst a stand socket and adapter lets you mount your speaker to a mic stand in seconds.


  • Extremely portable powered loudspeaker system
  • Integrated Mackie mixer with superior sound quality
  • 3-channel mixer with 3-band active EQ
  • Two high-headroom Mackie mic/line preamps with 48V phantom power
  • Instrument-ready input - no DI required
  • Dedicated stereo channel for keyboards, CD players, MP3 players etc.
  • Combo Line IN for linking or adding inputs
  • XLR THRU with mic/line switch for linking more SRM150s or for a direct send to your main PA
  • 150W peak of high-output Class-D power
  • 5.25'' premium quality full-range neodymium driver
  • Wide frequency response from 100Hz to 17.5kHz
  • 120dB maximum SPL peak at 1-metre
  • Complete system protection with integrated limiter
  • Easy to transport with the built-in top-mounted carry handle
  • Integral aluminium heatsink for efficient cooling
  • Mic stand integration system for use with a stand and boom (stand and boom not included)
  • Tough impact-resistant polypropylene enclosure
  • Lightweight design for maximum portability


Acoustic Performance

  • Frequency Response: 100Hz - 17.5kHz (-3dB)
  • Frequency Range: 60Hz - 22kHz (-10dB)
  • Maximum SPL:
    • Continuous: 110dB at 1m
    • Peak: 120dB at 1m


  • Frequency Response: 5Hz - 40kHz (+0, -1dB) (Mic Input to Line Out, gain at 0dB)
  • Input Impedance:
    • Mic: 3k Ohms, balanced
    • Hi-Z: 20k Ohms, balanced
    • Instrument: 1 M Ohm
    • Line: 10k Ohms, balanced
    • Stereo: 10k Ohms, balanced
  • Maximum Voltage Gain:
    • Mic Input 1/2: 51dB
    • Stereo Input: 9dB
  • Maximum Input Level:
    • Mic: -28dBu, gain at +50dB / +15dBu, gain at +6dB
    • Line: -8dBu, gain at +30dB / +35dBu, gain at -15dB
    • Stereo: +20dBu, gain at 0dB
  • 3-Band Equalisation:
    • High: +/-15dB at 12kHz
    • Mid: +/-15dB at 2.5kHz
    • Low: +/-15dB at 100Hz
  • Thru Out Mic Level Pad: -30dB
  • CMRR: 55dB (1kHz, gain at unity)
  • Noise: (20Hz to 20kHz BW, 150 Ohm source impedance)
    • EIN: -129dBu
    • Residual Output Noise: -85dBu (Line out, channel and master levels off)

Amplifier and Transducers

  • Power: 100W (150W peak)
  • Rated THD: Less than 0.05-percent
  • Cooling: Convection extrusion
  • Design: Class-D
  • Transducer Diameter: 5.25'' / 134mm
  • Voice Coil Diameter: 1'' / 25.4mm
  • Magnet: Neodymium
  • Overload Protection: Limiter
  • Thermal Protection: Amplifier shutdown, auto-reset

Enclosure, Power, and Physical

  • Cabinet:
    • Material: Polypropylene
    • Finish: Grey, textured
    • Handles: 1 x top
    • Grille: Perforated metal with weather-resistant coating
    • Display LEDs: Power ON, Phantom Power ON
    • Mounting Methods: Mic-stand mountable with supplied adapter via built-in socket on bottom of cabinet
  • Power Supply: 100VAC-240VAC, 50-60Hz, 35VAC (universal)
  • AC Connector: 3-pin IEC 250VAC
  • Dimensions: 203mm x 284mm x 173mm / 8'' x 11.2'' x 6.8'' (H x W x D)
  • Weight: 3.4kg / 7.6lbs

Delivery & Returns

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Free Delivery on all orders of any size! Once your order is dispatched it will be delivered within 2-3 working days. Next Day Delivery is available at checkout at an extra cost of £5.99. All orders placed before 2 pm will be dispatched the same day, if you place an order after this time or on a weekend or bank holiday then we will dispatch the following working day. If you would like to return your product for any reason, our friendly team are on hand to assist, so please get in contact with us.

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