Mackie SRM450 v3 1000 Watt 12 Inch Powered Loudspeaker



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​The Mackie SRM450 is a powered loudspeaker that features a 12" high-output woofer and a 1.4" titanium dome compression driver.


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The Mackie SRM450 is a powered loudspeaker that features a 12" high-output woofer and a 1.4" titanium dome compression driver. With 1000 watts of power, you get the high output you need in a package that is designed to be tough, lightweight and portable.

Featuring one-button speaker mode selection for scenario-specific voicing (PA, DJ, Monitor and Soloist), the speaker allows you to customise your sound to best fit your application.

Complete with an integrated, gain adjustable 2-channel mixer that features two XLR/TRS Combo inputs and a stereo RCA input, the SRM450 can handle anything from mics to guitars to MP3 players and more.

  • 12" high-output woofer
  • 1.4" titanium dome compression driver
  • Eliminate feedback with one-button automatic "Feedback Destroyer"
  • Precision 2-way crossover
  • Driver time alignment & phase correction
  • System protection / limiting
  • Monitor-specific angle and voicing mode perfect for cutting through on stage
  • Flyable for permanent install, both vertically and horizontally
  • Durable, portable design
  • Weight: 37.0 lb (16.8 kg)


Mackie SRM450V3 specs

Frequency Response 47 Hz - 20 kHz (-3 dB)
42 Hz - 23 kHz (-10 dB)
Maximum SPL 128 dB SPL
Dispersion 90˚ x 45˚, (H x V)
Compression Driver 1.4' (36 mm)
Crossover Frequency 3 kHz
Diaphragm Titanium (tweeter)
Magnet Ferrite
Woofer Diameter 12.0" (305 mm)
Cone Material Paper (woofer)
Rated Power 500 W RMS, 1000 W peak (overall)
400 W RMS, 800 W peak (LF)
100 W RMS, 200 W peak (HF)
Amplification Class D (LF)
Class AB (HF)
THD < 1%
Cooling Convection
Input Channel 1: Mic/Line, female XLR / 1/4" TRS combo
Channel 2: Mic/Line, female XLR / 1/4" TRS combo, stereo RCA
Input Impedance Channel 1: 8 kohms balanced , 10 Mohm unbalanced
Channel 2: 8 kohms balanced , 25 kohms unbalanced
Thru Male XLR balanced
Passive when the Ch 1 / Mix switch is in the "out" (Ch 1) position
Active when the Ch 1 / Mix switch is in the "in" (Mix) position
Power US Detachable Line Cord: 100 – 120 VAC, 50 – 60 Hz, 160W


EU Detachable Line Cord: 220 – 240 VAC, 50 – 60 Hz, 160W

AC Connector: 3-pin IEC 250 VAC, 10 A male

Power Supply Type: Switchmode

Operating Temperature: 0 - 40º C

Extended Ambient Temperature: 32 - 104º F


Input Protection Peak and RMS limiting, power supply and amplifier thermal protection
LED Defeatable front power, input signal/OL, speaker mode, feedback destroyer on/off and active filters, system limiter
Construction Cabinet: polypropylene


Finish:black, textured finish

Grille: perforated metal with weather-resistant coating

Fly points: three M 0.4 x .05 x .78" (10 x 1.5 x 20 mm)

Monitor angle: 40º

Mounting Floor mount, pole mount or fly via three integrated M10 mounting points (using M 0.4 x .05 x .78" (10 x 1.5 x 20 mm) forged shoulder eyebolts)
Dimensions 26.1 x 16.0 x 14.8" (663.0 x 406.0 x 376.0 mm)
Weight 37.0 lb (16.8 kg)


Model # Mackie SRM450 v3
Barcode # 663961044256
Brand Mackie
Shipping Weight 19.2000kg
Shipping Width 0.720m
Shipping Height 0.400m
Shipping Length 0.420m
Shipping Cubic 0.120960000m3
Unit Of Measure ea
Type PA Speaker

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