Description
Listen-Only Mono Earphone with 3.5mm Connector Plug
Discrete Audio Monitoring for High-Noise Commercial Environments
Secure your radio communications and monitor incoming audio privately without letting nearby civilians hear sensitive fleet traffic.
The genuine Icom SP40 is a commercial-grade Icom SP40 Listen-Only Earphone for Icom HM-222 engineered to deliver clear, clear-cut incoming audio transmissions directly to the user's ear. Deploying the Icom SP40 into your operational layout ensures that sensitive operational dispatches remain completely confidential. This lightweight receive-only assembly comes standard with a universal 2-conductor interface plug that fastens directly into standard auxiliary audio output ports.
Specially built for event security teams, medical personnel, hospitality staff, and manufacturing floor workers, the Icom SP40 resolves the frequent workplace issue of missing urgent calls in high-noise zones or disrupting quiet public areas. Utilizing this discrete, low-profile earbud allows field operators to stay connected to dispatch lines while maintaining hands-free mobility and complete environmental awareness. The earpiece kit includes alternative soft cushion inserts to accommodate different ear shapes for continuous multi-hour shifts.
The durable wire routing is sheathed in a highly flexible polymer insulation layer designed to resist daily stretching, sweat accumulation, and environmental wear. When removing or stowing the equipment after duty cycles, operators should actively avoid pulling or wrenching the thin wire line directly from the earplug housing to protect the internal copper filaments from mechanical micro-fractures.
Key Features & Benefits
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Secured Asset Monitoring: Functions flawlessly as an optimized Icom SP40 Listen-Only Earphone for Icom HM-222 asset across public safety teams.
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Universal 3.5mm Interface: Plugs natively into auxiliary receiver jacks found on remote speaker microphones without requiring specialized adapters.
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High-Impedance Voice Coil: Employs an internal 180 Ohm speaker core calibrated to replicate crisp human vocal tones over standard background noise.
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Interchangeable Comfort Earbuds: Bundled with multiple soft rubber ear cushions to guarantee a reliable, non-fatiguing physical seal for your crew.
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Low-Visibility Cable Line: Features a slim, black 39-inch cable strand that runs cleanly beneath uniform shirts or tactical vests to eliminate snags.
Specifications
| Attribute |
Details |
| Brand |
Icom |
| Model/SKU |
Icom SP40 (SP40) |
| Product Type |
Listen-Only Earphone |
| Interface Type |
3.5mm Mono Plug (TS) |
| Speaker Impedance |
180 Ohms |
| Cable Length |
39 Inches (1 Meter) |
| Weight |
6.3 Grams |
| Color |
Black |
Compatibility
Microphones
|
|
|
|
| HM222 |
HM222H |
HM222HLWP |
HM158LA |
| HM159LA |
HM186LS |
HM245T |
|
Radios
|
|
|
|
| F52D |
F62D |
M85 |
R15 |
| R30 |
SAT100 |
F1000 |
IF1100D |
| F2000 |
F2100D |
IP730D |
IP740D |
| 50A |
52A |
F3400 |
F4400 |
| F7010 |
F7020 |
M60 |
SAT100 |
Recommended Accessories
- Icom HM-222 Waterproof Speaker Microphone (HM222) — The heavy-duty remote speaker microphone that features the matching 3.5mm accessory jack to host this earphone.
- Icom IC-F1100D Handheld Portable Digital Radio (F1100D) — A core portable digital transceiver that utilizes compatible external speaker mics powered by this listen-only earpiece.
Frequently Asked Questions
Does this earpiece require specialized programming software to operate?
No, this is a passive hardware audio accessory. It features a simple analog plug-and-play setup that functions immediately upon inserting the connector into a live 3.5mm jack.
Can I wash or clean the soft earbud cushions?
Yes, the soft rubber earbud tips can be detached from the plastic housing assembly to be washed with mild soap and warm water to maintain hygiene across your workforce.
Will this earphone work with multi-brand speaker microphones?
This earphone uses a standard single-pin 3.5mm mono plug configuration. It fits any speaker microphone or handheld radio accessory port matching those dimensions, though it is optimized for authentic Icom gear.
Warranty
1-year manufacturer's warranty.
