Astatic
Astatic Noise Cancelling CB Microphone,Black 30210002-1 Each
Bottom line: The Astatic Noise Cancelling CB Microphone ($32.68 on Amazon as of 2026-10-22 04:20 UTC): Rubberized coated housing plus polyurethane-coated steel grille screen; main trade-off: 4-pin wiring will not fit radios using other connector pinouts.
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*Price sourced from Amazon.com. Last updated 2026-10-22. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Rubberized coated housing plus polyurethane-coated steel grille screen
- ✓ Noise cancelling element built for high-background cabs like truck interiors
- ✓ 4-pin coiled cord suits CB, amateur radio, and SSB rigs
- ✓ Close-talking handheld design keeps engine and road noise out
Cons
- ✗ 4-pin wiring will not fit radios using other connector pinouts
- ✗ Manufactured in China with no stated warranty in the listing
- ✗ Coiled cord length is not specified in the product listing
- ✗ Handheld-only format, so no desk or boom mounting option
Manufacturer description
Featuring a rubberized protective coated housing, a polyurethane-coated steel grille screen, and a coiled cord with a 4-pin connection, this 636L mic is designed for close talking handheld applications for CB, amateur radio, and SSB communications. Perfect for high background noise situations, like trucks.
SpecPicks Verdict
SpecPicks scored Astatic Noise Cancelling CB Microphone using a rating × review-volume × price-fit model applied to published specs and reviews across the streaming gear category. Astatic's streaming gear lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for streaming gear of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Made in China
Full Specifications
| Brand | Astatic |
|---|---|
| Color | Black |
| Impedance | 600 Ohms |
| Model Name | 30210002 |
| Unit Count | 1.0 Count |
| Model Number | 30210002 |
| Power Source | 12-Volt |
| Audible Noise | 78 Decibels |
| Polar Pattern | Bidirectional |
| Built-In Media | Item |
| Connector Type | 4-pin |
| Item Type Name | Rubberized 4 Pin 636L Noise Cancelling Mic |
| Item Dimensions | 10.5 x 8.5 x 3 inches |
| Mfr Part Number | 30210002 |
| Special Feature | Not_Performance_Used |
| Antenna Location | CB Radio |
| Hardware Platform | Karaoke Machine |
| Compatible Devices | radio |
| Enclosure Material | Rubber |
| Frequency Response | 20 KHz |
Ready to buy?
Astatic Noise Cancelling CB Microphone,Black 30210002-1 Each is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-22. Price and availability subject to change.
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