With my CM500 (no pinout diagram or mini-manual included) - box doesn't say if it's dynamic or electret, but it comes with a separate mic(?) Yamaha CM500 Headset (with Built In Microphone) overview and full product specs on CNET. My buddy Dave Anderson (K4SV) first told me about them as he prefers them to much pricier models heâs owned. The Yamaha CM500 is a Circumaural headset that combines a pair of comfortable, noise-attenuating earcups and flexible headband with a full-range, dynamic boom microphone. Other than that, the headsets are exactly identical in every ⦠Review Summary For : YAMAHA CM500 HEADSET ⦠eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. The Yamaha CM500 is a very popular headset for amateur radio use. Itâs a very comfortable headset, with a good microphone and it costs around 50 USD. Probably one of the most cost-effective ham radio purchases Iâve ever made was a pair of Yamaha CM500 headphones. I bought it directly in the USA since in europe this product was not available. Crafted with high-impact materials and an ultra-flexible headband, the solid construction withstands the repetitive twisting and hard use found in music labs and on the dance floor. I recently sold a set of Yamaha CM500 headphones with boom microphone. The Yamaha CM500 headphones: the best $45 youâve ever spent for a ham radio accessory. From what I understand, a dynamic mic needs a âblocking capâ as the IC7300 has 8 VDC(?) With a $6 cable, you can get cleaner microphone audio from your CM500 headset and add a jack for a PTT switch. CM500 is a stereo head-set so that would suggest using a 3.5mm stereo ⦠Dependable Performance for Music Labs, DJs, & Computer Gaming. The Yamaha CM500 Headset combines closed-ear, noise-reducing headphones with a sensitive dynamic microphone. Not sure if the CM500 comes with a blocking cap, does it? B&H has a much more accurate description of ⦠in-line small plastic box - a 1/8" TRS female jack and a pendant 1/8" TRS plug, and it holds 2 AAA batteries. The microphone capsule. Reviews For: YAMAHA CM500 HEADSET W/BOOM MICROPHONE Category: Headphones & Boom-microphone Headsets. Yamaha's complete headphone line utilizes the latest in technology, ergonomics, ⦠Since some years Iâm using the Yamaha CM500 headset. on the audio line. A good friend of mine wants to use his Yamaha CM500 with the IC-7300. It is rugged, effective, and affordable â $60 at B&H Photo and $55 at Amazon. CM500; Specifications; Frequency Response: 20 Hz - 20kHz: Impedance: 120 ohms: Sensitivity: 96 dB/mW: Mic Range: 100 Hz - 20 kHz: Mic Impedence: 600 ohms: Jacks: 1/8" plug and 1/4" adaptor: Cord: 9' cord: Weight: 10.6 oz. Need to connect a Yamaha CM500 headset mic to the rear panel of a 6600 (non-M). without cord: Warranty: One year limited warranty: Compatibility: Compatible with all audio ⦠Yamaha CM500 Headset with Built-in MicrophoneUnderstanding that the ear is an instrument critically trained to demand perfection in sound reproduction, musicians know that high-quality headphones are a vital component of any music system. Replacing Yamaha CM500 Parts. This headset is designed with quality frequency reproduction and high output in mind, and is an equally viable solution for a variety ⦠The Koss SB40 has a dynamic capsule while the Yamaha CM500 has a electret condenser capsule. Gary: I own both a Koss SB40 and two Yamaha CM500'ds.