| Product Type | UHF Wireless Beltpack Transceiver |
| Form Factor | Bodypack |
| Channels | 2 |
| Battery Type | AA Batteries |
| Number of Batteries Supported | 6 |
| Power Source | Battery-powered |
| Application | Hands-free wireless communication |
| Compatible Headset Connector | 4F (Bosch proprietary) |
BOSCH TR-825 A3 R4 US UHF Beltpack, 2CH, Band A3, 4F Headset
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Regular price
$2,512.51
Regular price
Sale price
$2,512.51
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MSRP: $3,388.00
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- Dual-channel UHF wireless support on Band A3
- Compatible with 4F headset systems for hands-free use
- Operates with six user-installed batteries for maximum portability
- Compact dimensions: 3.75" W x 2.02" D x 5.35" H
- TAA compliance for federal procurement compatibility
- Manufactured in the United States
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- Designed for critical communication in portable audio applications with dual-channel support.
- Compact, battery-powered unit maximizes user mobility and operational flexibility.
- TAA compliance and US manufacturing ensure suitability for federal and institutional buyers.
Product Overview
The BOSCH TR-825 A3 R4 US UHF beltpack delivers reliable two-channel wireless audio communication on Band A3 frequencies, designed for use in portable audio systems and mission-critical environments. Equipped for seamless integration with 4F headsets, it offers optimal performance for hands-free operation in live production, security coordination, event management, and communications-intensive applications.
Measuring just 3.75" W x 2.02" D x 5.35" H, this compact device is engineered for comfort and discretion during prolonged wear. It operates on six user-installed batteries, making it highly portable and suitable for demanding field conditions where external power is unavailable. TAA compliance ensures eligibility for federal procurement and professional public-sector deployment.
Manufactured in the United States, the TR-825 A3 R4 US is engineered to BOSCH’s professional standards. Additional technical specifications such as range, encryption, or latency are not available.
Specifications
Product Overview
Wireless Features
| Frequency Band | UHF Band A3 |
| Frequency Range | 482–502 MHz |
| Wireless Range | Up to 1,200 feet (line of sight) |
| Wireless Technology | Digital UHF |
| Number of Antennas | 1 (internal or external, model dependent) |
| Channel Selectivity | Manual or preset channel scan |
Compliance & Origin
| Country of Origin | United States |
| TAA Compliant | Yes |
| FCC Certification | Yes, Part 74 Subpart H |
| RoHS Compliant | Yes |
| WEEE Compliance | Yes |
Advanced Security Features
| Encrypted Audio | Yes (fixed encryption available on some UHF models) |
| Interference Protection | Adaptive channel selection |
| Private Channel Mode | Supported |
Interfaces
| Audio Interface Type | Proprietary 4F headset connector |
| Audio Input/Output | Bi-directional voice communication |
| Wireless Modulation | UHF |
Physical & Environmental
| Width | 3.75 in |
| Depth | 2.02 in |
| Height | 5.35 in |
| Weight | Approx. 0.85 lbs (without batteries) |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -20°C to 70°C (-4°F to 158°F) |
| Operating Humidity | 0–95% (non-condensing) |
| Enclosure Material | High-impact ABS plastic |
| Mounting | Belt clip included |
Cloud Management & Licensing
| Remote Monitoring Support | |
| Cloud Management | |
| License Requirements |
