The Mackie SRM450 v2 PA Speakers retain the best of the original SRM design, including Mackie signature Active architecture and its renowned rugged durability. With ultra-efficient switching power supplies, a lightweight neodymium woofer, an all-new compression driver and Class-D Fast Recovery amplification (300W LF/100W HF), the SRM450v2 packs way more power, clarity and punch. Its wide dispersion, outstanding bass extension and ultra-low distortion mean the SRM450v2 delivers pure studio monitor fidelity at full-on loudspeaker levels. The Mackie SRM450v2 Active loudspeaker combines superior quality with innovative technology to bring ultimate performance and reliability to the legendary Sound Reinforcement Monitor (SRM) series.

Mackie SRM450 v2 Active Loudspeaker Features:

2-way bi-amplified, optimized active loudspeaker system
High-output precision titanium compression driver
Neodymium long-throw low frequency transducer with 3-inch voice coil
Servo Feedback controlled woofer for tight low-end punch
300W class-D, Fast Recovery LF amp / 100W HF amp
Ultrawide, smooth dispersion via multi-cell horn aperture and HF waveguide
Built-in phase-accurate 24dB Linkwitz-Riley electronic crossover
Mackie Active Electronic time alignment, phase correction and EQ for studio quality sound
Mic/line input and pass-thru connector
Lightweight for ultimate portability (40 lbs)
Flyable, Pole Mountable, Floor Wedge-able

Mackie SRM450 v2 Active Loudspeaker Specifications:

Input Type: Balanced Differential
Input Impedance, Line: 20k ohms
Input Protection: RFI and level protected
Sensitivity Line: +4 dBu (center detent), Mic: -36 dBu
Maximum Input Level, Line: +22 dBu
Low-Cut Frequency: 75Hz, Second-order filter
Acoustic Contour Equalization Peaking:
+3 dB @ 100Hz
+3 dB @ 12kHz
Enclosure Alignment: Sixth-Order
Over-Excursion Protection: second-order, high-pass filter
Thermal Protection: Amplifier shutdown, auto reset
Low-Line Voltage Shut Down: 60% Nominal line
Frequency Range (-10 dB): 45Hz - 20KHz
Frequency Response (ñ3 dB) 55Hz - 18kHz
Maximum Peak SPL @ 1m: 127dB
Low-Freq Crossover: 24 dB/octave, time offset corrected
High-Freq Crossover: 24 dB/octave
Crossover Frequency: 1.6kHz
Driver Protection: independent LF and HF compressors
Low-Freq Roll-Off: dynamic-signal level dependent
Accessory Interface ñ15V DC, normalized signal I/O
Operating Temperature Range: -10øC to 45ø C (14øF to 113øF)

Transducer Low-Frequency Transducer: Diameter 300mm (12") Power Handling 450 watts RMS Frequency Range 45Hz - 3kHz

Hi-Frequency Driver and Horn: Diaphragm Diameter 44mm (1.75") Exit Throat Diameter 25mm (1") Diaphragm Material Titanium Sensitivity (1W@1m) 106 dB Power Handling 100 watts RMS Frequency Range 1kHz - 20kHz Horn Type Composite: Exponential and Conical Mouth Size 305mm (12") W x 178mm (7") H

Horn Coverage : Horizontal Coverage 90ø Vertical Coverage 45ø _ Power Amplifier and System Low-Frequency Power Amplifier: Rated Power 300 watts RMS Rated THD < 0.1% Cooling Convection Extrusion Design Class G, Parametric Servo Feedback

High-frequency amplifier: Rated Power 100 watts @ High-Frequency Driver Impedance Rated THD < 0.1% Cooling Convection Extrusion Design Conventional Class AB