Radio Earpiece ARC T21095 1-Wire Acoustic Tube Lapel Mic - Clear Audio

In this review of the ARC T21095 radio earpiece, the bottom line is simple: it is a work-ready surveillance lapel mic for professionals who need discreet, reliable audio on Motorola two-way radios. The reviewer found the single biggest reason to buy is its combination of a comfortable clear acoustic tube and a Knowles active noise reduction mic, which together make radio traffic intelligible in noisy environments. The package also includes a 1 year ARC manufacturer warranty, which provides useful peace of mind for field use.

Key Features

• Clear acoustic tube: The hypo-allergenic 1-wire acoustic tube is comfortable for long shifts and can be worn on either ear without irritating skin.
• Active noise reduction mic: The Knowles mic reduces background noise so transmissions remain intelligible in busy or windy conditions.
• Kevlar reinforced cable: Rugged DuPont Kevlar reinforcement improves durability for daily use and reduces the chance of cable failure on the job.
• Durable construction: High impact resistant polycarbonate enclosure and molded strain reliefs help the earpiece resist drops and repeated handling.
• Wide compatibility: Works with a range of Motorola models including Wave TLK 100 and several SL series radios, making it versatile for mixed fleets.
• Manufacturer warranty: A 1 year ARC warranty is included for T21 series audio accessories, offering support if defects appear early in service.

Who It's For

The ARC T21095 suits security teams, event staff, retail loss prevention, and other professionals who need a discreet surveillance-style earpiece with clear voice pickup. Its comfortable acoustic tube and noise-reducing Knowles microphone make it a sensible pick for long shifts and active, noisy environments.

Those who require Bluetooth connectivity or a multi-button remote for advanced radio control should look elsewhere, as this model is a single-wire earpiece designed strictly for wired two-way radio use with compatible Motorola models.

Pros & Cons

Pros

• Comfortable hypo-allergenic acoustic tube that can be worn on left or right ear for long periods.
• Knowles active noise reduction mic improves clarity in noisy settings.
• Rugged DuPont Kevlar reinforced cable and molded strain reliefs increase longevity under heavy use.
• Includes a 1 year ARC manufacturer warranty for added assurance.

Cons

• Wired 1-wire design lacks remote controls or wireless convenience, limiting modern hands-free features.
• Compatibility limited to supported Motorola models, so buyers must confirm fit with their radio.

Specifications

Model	ARC T21095
Style	1-wire clear acoustic tube lapel mic
Microphone	Knowles mic with active noise reduction
Cable	DuPont Kevlar reinforced
Housing	High impact resistant polycarbonate
Warranty	1 year ARC manufacturer warranty
Compatibility	Motorola Wave TLK 100, SL300, SL7550, SL4000, SL4010, SL500 and PMLN7156A/7157A/7158A/7159A/7189A compatible earpieces

Our Verdict

The ARC T21095 is a sensible, value-oriented surveillance earpiece for professionals who need clear radio communication and durable construction. It stands out for comfort and noise-reducing voice pickup, and the included 1 year warranty makes it a pragmatic purchase for security, events, or retail teams who rely on Motorola-compatible radios.

Frequently Asked Questions

Is this compatible with Motorola SL series radios?
Yes. The ARC T21095 is listed as compatible with SL300, SL500, SL7550, SL4000 and SL4010 models.

Can the earpiece be used on either ear?
Yes. The clear acoustic tube design is wearable on the left or right ear for user comfort.

Does it include a warranty?
Yes. A 1 year ARC manufacturer warranty is included for all T21 series audio accessories.