Description
The Heil Sound PR77D brings broadcast-console polish to any stage, podcast rig, or studio setup. Built around a large 1-inch, low-mass voice coil and a neodymium/iron/boron magnet structure, it delivers a smooth, flat response with fast transient tracking and crisp speech articulation — the kind of clarity engineers want on lead vocal or announce duty.
Off-axis rejection is where this mic earns its keep on busy stages. A carefully engineered phasing plug pushes rear rejection at 180 degrees past -40 dB, so wedge and monitor bleed stays out of the capsule while performers still have room to move naturally in front of it without the tone shifting on you.
A standout feature for FOH engineers and podcasters alike is the two-position response switch. Flip to Voice for a -6 dB/octave rolloff below 120 Hz that tightens up spoken word and cuts stage rumble, or switch to Music for the full 60 Hz–16 kHz range when you need extended low end for instruments or music sources — one mic, two tonal personalities, no EQ scramble required.
With low intermodulation distortion and a cardioid pickup pattern, the PR77D stays consistent and controlled even as gain gets pushed, making it a dependable choice for riders that demand predictable gain-before-feedback. It’s built for boom or base mounting with standard 5/8″-27 stand threads.
- Generating Element: Dynamic
- Output Connection: 3-pin XLR
- Frequency Response: 60 Hz–16 kHz (Music, filter off); 120 Hz–16 kHz (Voice, filter on)
- Polar Pattern: Cardioid
- Impedance: 600 ohms balanced
- Weight: 24.5 oz
- Max SPL: 148 dB
- Output Level: -53.9 dB @ 1 kHz
- Rear Rejection @ 180° off-axis: -40 dB
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