all

Bands

Frequency	n/a
Power	Microphone/headset, not a radio
Modes	all voice modes
Weight	391 g (13.8 oz)
Connector	radio-specific cable

Connectors

mic out	1/8" (3.5mm) mono plug — microphone audio
headphone	1/8" (3.5mm) stereo plug — headphone speakers (1/8" to 1/4" adapter included)
adapter	requires AD-1 series adapter cable (sold separately) for radio-specific connection
note	AD-1 adapter is 6" long: 1/8" female (mic) + 1/4" female (PTT footswitch) → radio mic connector
power req	none (passive)

The contest headset standard: dual-side speakers in acoustically tuned chambers (real outside-noise rejection) with the HC-6 boom element - a full-range dynamic spec'd at 100 Hz-12.5 kHz (-3 dB), -57 dB sensitivity into 600 ohms The PHASE REVERSAL switch is the famous trick: flipping one ear's acoustic phase spatially widens the sound field, letting your brain 'place' a weak signal inside a pileup - and demonstrably easing long-session fatigue The HC-6 element is the modern wide-response Heil voice: articulate without the vintage nasal honk, happy with modern rigs' speech processing Terminations are the practical detail: a 6-ft coiled cable splitting to 1/8-in MONO for mic and 1/8-in STEREO for phones - adapter cables map it to any radio brand Comfort engineering for contest shifts: the headband and ear-seal design assume 48-hour weekends, because its buyers do Three variants on the official page - Dynamic (HC-6), iC (the electret for +5V-bias radios: 80 Hz-12 kHz, -48 dB), and Electret - at 13.8 oz; the PSE-6 designation marks the HC-6-equipped standard

Strengths

The boom-headset that defined ham audio's serious tier: tuned-chamber isolation keeps the shack out, the HC-6 keeps transmit audio articulate through processing, and the phase-reversal trick genuinely helps dig signals from pileups - a feature operators dismiss until the first weekend with it. Built for shifts measured in days.

Weaknesses

Premium pricing in a category gamers flooded with cheap alternatives (none of which transmit properly), the dynamic element still wants gain staging done right, the coiled cable's plugs need per-radio adapters, and all-day clamping comfort is personal - heads vary, try before marrying.

Verdict

The default serious-operator headset for good reason: isolation, transmit audio, and the phase trick in one durable package. Casual operators can spend half; contest and DX operators who tried half usually end up here.

The Pro Set Elite is what happened when Heil applied live-sound discipline to the contest operator's whole head: dual speakers in acoustically tuned chambers that genuinely reject the shack around you, an HC-6 dynamic element on the boom - full-range by ham standards at 100 Hz to 12.5 kHz, -57 dB into 600 ohms - and the build assumption that its wearer logs in shifts measured by sunrise. It became the serious tier's default headset the old-fashioned way: by being on the heads in the winning stations' photos.

Its signature feature sounds like audiophile folklore and is instead practical neuroscience: the Phase Reversal switch flips one earpiece's acoustic phase, spatially widening the perceived sound field - and a brain given spatial cues can 'place' a weak station inside a pileup that mono presentation smears into noise. Operators routinely dismiss the trick until their first weekend with it; the fatigue reduction over long sessions is the quieter half of the same benefit. The plumbing is pragmatic: a six-foot coiled cable splits to a mono 1/8-inch mic plug and stereo 1/8-inch phones plug, with Heil's adapter cables mapping those to any radio brand and an iC variant (80 Hz-12 kHz electret, built for the +5-volt bias certain radios supply) covering those inputs directly. At 13.8 ounces, the price and the weight both undercut the reputation.

The HC-6 element marks the modern Heil voice - articulate and processing-friendly without the vintage narrow honk - making the headset the natural partner to the dual-element desk mics from the same bench. The category has since flooded with gaming headsets at a third the price; none of them were designed to transmit, which is the entire difference and the reason the Pro Set's constituency keeps paying. Bob Heil's company built the tools that made hams sound professional; this is the one they wear.

Heil Pro Set Elite 6