The Standard Horizon SSM-21A (SSM-21A) is a heavy-duty, submersible speaker microphone designed for use with select Yaesu and Standard Horizon handheld radio transceivers. It features a threaded single-pin 4-conductor connector, unidirectional polar pattern, a robust clip for secure attachment, and a waterproof/submersible design for demanding marine and outdoor environments. Compatible models include HX890, HX400, HX400IS, HX380, HX40, HX210 and select Yaesu models (e.g., VX-6R). Constructed of durable plastic, the mic offers corded power/operation and is supplied as a single-item package. Ideal for commercial and recreational two-way radio use where reliability and waterproofing are required.
| Materials & Construction | |
| Color | Black |
| Material | Plastic |
| Product Details | |
| Compatible Devices | speaker |
| Connectivity Technology | Auxiliary |
| Connector Type | Threaded Single Pin 4 Conductor Connector |
| Included Components | Standard Horizon Yaesy SSM-21A Commercial Speaker Microphone Heavy Duty |
| Microphone Form Factor | Handheld |
| Model Name | Standard Horizon Yaesy SSM-21A Commercial Speaker Microphone Heavy Duty |
| Polar Pattern | Unidirectional |
| Special Feature | Clip |
| Type | Microphones |
| Sizing & Dimensions | |
| Item Package Dimensions L x W x H | 6.54 x 4.57 x 2.52 inches |
| Size | One Size |
| Weight | 7.41 ounces |
| Technical Specifications | |
| Number of Channels | 1 |
| Power Source | Corded Electric |
| Signal-to-Noise Ratio | 78 dB |
| Warranty Description | Warranty |
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