By: Mackie
Professional Audio / Video Products
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
15-inch 3-Way High Definition Powered Loudspeaker

The Mackie HD1521 2-Way High-Definition Powered Speaker delivers pristine clarity and high output power in a lightweight, durable cabinet that can be mounted on a speaker pole or flown overhead. A 15" woofer and 1.75" high-frequency driver feature discrete amplifiers for 1600 watts of power total. In addition, active electronics by EAW deliver HD quality audio signal for pristine audio reproduction, maximum clarity and definition, and very low noise floor. A 3-band EQ section features a mid-range sweep for added control and frequency contouring.


Available Options Include:

0033091 Amplifier Assembly for HD1521 (100-120VAC)
0033093 Amplifier Assembly for HD1521 (200-240VAC)
0025726 Compression Driver for HD1521

HD1521 features include:

  • LF 700W RMS / 1400W peak
  • HF 100W RMS / 200W peak
  • Revolutionary patented acoustic correction
  • Transducer time alignment and phase correction
  • Precision 3-way crossover
  • 15" neodymium woofer with 3" voice coil
  • 1.75" compression driver with heat-treated titanium diaphragm
  • User-adjustable 3-band contour EQ with sweepable mid-frequency
  • Optimized wide-dispersion WaveFront high/mid horn system
  • Ultra-compact and lightweight (96lbs)
  • Integrated limiting and protection circuitry
  • Rugged all wood cabinet (15mm birch plywood)
  • 12 integrated fly points for horizontal and vertical rigging
  • Stand / pole mountable
Active or Passive Active
Frequency Response 50Hz - 18kHz, -3dB
Power Capacity LF Amplifier: 700 Watts RMS
HF Amplifier: 100 Watts RMS
Maximum Sound Pressure Level (SPL) 135dB @ 1m, long term
Nominal Sensitivity Not Specified by Manufacturer
Impedance 11k Ohms, Balanced (Input)
Crossover 400Hz, 1500Hz
Low Frequency Driver 15" (381mm) Neodymium Magnet
High Frequency Driver HF - 1.75" (44mm) Heat Treated Titanium
Enclosure Material 15mm Exterior Grade Birch Plywood
Input Connections Input - XLR-Female Balanced 11k ohms
Loop Out - XLR-Male Balanced
Dimensions Height: 30.0" (762mm)
Width Front: 18.3" (464mm)
Width Back: 11.8" (300mm)
Depth: 18.8" (478mm)
Weight 80 lb (36.6kg)

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Prices and specifications subject to change without notice.