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.

1600W of Ultra-Efficient Class-D Fast Recover Amplification

LF 700W RMS / 1400W peak
HF 100W RMS / 200W peak

High-Definition Audio Processing

Revolutionary patented acoustic correction
Transducer time alignment and phase correction
Precision 3-way crossover

Custom Designed Transducers by EAW

15" neodymium woofer with 3" voice coil
1.75" compression driver with heat-treated titanium diaphragm

Additional Features

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)