From the manufacturer
BTECH QHM01 3.5mm Listen Only (Receive Only) Heavy-Duty Surveillance Earpiece
Includes both ear-mold and earbud inserts.
This surveillance earpiece (QHM01) is the "HEAVY DUTY" earpiece for which you’ve been looking! Compared to other listen-only earpiece kits the QHM01 was built for heavy-duty use.
- High Impact Casing - High Grade Re-enforced Cabling
- Uses a heavy duty stainless steel clip.
- Produces high-quality crystal clear audio
- Choose your preferred earpiece. The QHM01 includes both the 'in-ear' earbud and the 'open-ear' earmold inserts
- The clear acoustic tube earpiece is perfect for discreet radio communications.
Great for Radio Speaker Mics
The BTECH QHM01 Listen Only Earpiece can be Inserted directly into a shoulder microphone and diverts the audio directly to your ear to keep conversations private.
Fits standard radio speaker mics (3.5mm audio-out jacks) such as MOTOROLA, KENWOOD, ICOM, ALINCO, BTECH, and YAESU.
Compatible with the BTECH QHM22 Speaker Mic
For the Professional that Needs the Absolute Best
Designed for Indoor or Outdoor Use
The QHM01 is designed for industrial use, security & law enforcement, construction sites, and for any tough assignment.
Hear Everything - Even in the Loudest Environments!
- Receives clear precise audio.
- The best way to hear transmissions in a loud area.
- Small and easily accessible.
- Never gets in the way and is always there when you need it.
Long Heavy Duty Coil Cable
The QHM01 Platinum Earpiece kit is the ideal solution for the professional user who can't afford anything less than the best! It uses a reinforced coil cable that produces high-quality, crystal clear audio.
BTECH QHM01 1 Wire (Listen Only) Earpiece (to radio, speaker mic, or any 3.5mm device)
Style:QHM01 Surveillance Earpiece (3.5MM Plug)
BTECH QHM01 3.5mm RECEIVER/LISTEN ONLY surveillance headset earpiece with clear acoustic coil tube earbud audio kit for two-way radios, transceivers and radio speaker mics jacks. The QHM01 fits standard two-way radios transceivers and radio speaker mics for such as BTECH, BAOFENG, MOTOROLA, KENWOOD, ICOM, ADI, ALINCO, and YAESU. This earpiece also works with MP3 players, remote mics and other audio devices or accessories with 3.5mm earphone jack connector. This surveillance headset is rugged in design and made with heavy duty material that provides superb audio quality. The reinforced earphone clip provides cable retention and eliminates strain on earphone. It is 100% compatible with all original equipment manufacturer (OEM) parts and ideal for high noise level environments and discrete listening.
Sensitivity: 114dB ± 5dB
Impedance: 200Ω ± 15%
Rated Power: 500mW
Max Power Input: 1000mW
Frequency Range: F0-9KHz
Works with the following devices:
BTECH QHM22 Speaker Mic
Any MOTOROLA (CP200, CP200 XLS, GP300, EP450, PR400, HMN9030, PMMN4050, PMMN4059, PMMN4069, RLN4941)
Any KENWOOD (KMC-25, KMC-26, TK-208, TK-220, TK-240, TK-248, TK-250)
Any ICOM radio, Remote mic, and speak mic with a 3.5mm earphone jack.