The PNI DE50 External speaker 5W is a professional-grade, high-integrity audio expansion accessory precision-engineered to deliver robust voice tracking and clear acoustic feedback across mobile communications networks. Built specifically as a standalone speaker cabin for vehicular transceivers, this rugged audio node isolates and projects incoming voice traffic smoothly, dropping the risks of missed dispatch queues or muffled transmissions common with standard internal radio micro-speakers. It serves as an essential deployment asset for long-haul commercial transport, maritime operators, 4×4 off-road logistics coordinates, and B2B specialty telecommunications hardware networks looking to supply certified mobile accessories.
The core acoustic architecture is optimized for a system nominal impedance of 8 ohms, managing a specialized voice-passband frequency range of 300-8500Hz. This precise audio frequency framing is explicitly engineered to suppress low-end engine drone rumble and clip high-frequency white noise static, focusing purely on human speech intelligibility. Driven by a maximum power of 5W, the speaker converts weak audio signals into a commanding, punchy output profile, guaranteeing clear and powerful sound delivery even within high-noise industrial truck cabins, construction machinery, or windy maritime bridges.
Built to endure the harsh mechanical and climatic conditions of continuous vehicle travel, the high-durability housing framework utilizes an engineering-optimized blend of ABS / metal materials, remaining completely structural across a wide working temperature threshold of -26°C ~ +60°C. The device features a highly generous cable length of 190 cm (1.9 meters), granting field installation teams complete flexibility to place, orient, and secure the speaker frame onto overhead consoles, dashboard panels, or footwells without influencing the safe driving of the vehicle. For universal drop-in fleet integration, the low-resistance cord terminates in a standard, pre-molded 3.5mm jack plug, enabling direct plug-and-play connectivity with any CB or VHF/UHF radio transceiver equipped with an external speaker output socket.
Technical Specifications
| Technical Parameter | Specification |
|---|---|
| Brand | PNI |
| Model Reference | DE50 / PNIDE50 |
| Component Classification | External Speaker Node Extension for Mobile Radios |
| System Maximum Power | 5 Watts Peak Audio Input Capacity (5W) |
| System Impedance Baseline | 8 ohms nominal line matching (8 ohms) |
| Acoustic Frequency Range | 300 to 8500 Hz optimized speech response passband (300-8500Hz) |
| Interface Connection Terminal | Standard 3.5mm Mono Jack Audio Plug (3.5mm jack) |
| Casing Build Composition | Rigid high-impact ABS polymer coupled with metal reinforcement frame elements |
| Cable Extension Length | 190 cm total length (1.9 meters low-resistance cord line) |
| Environmental Operating Limits | -26 °C up to +60 °C operational climate threshold (-26 °C ~ + 60 °C) |
| Physical Dimensions | 130 mm Width x 66 mm Height x 56 mm Depth (130x66x56 mm) |
| Color Profile | Professional Matte Black Casing |
| System Hardware Compatibility | Universal compatibility matching any CB transceiver, amateur radio mobile rig, or marine scanner fitted with a standard external speaker port |
| Primary Fleet Utility Purpose | Commercial vehicle outfitting, cabin voice audio stabilization, low-distortion audio monitoring, and depot replacement stock |
Package Content
- 1x PNI DE50 External 5W Mobile Speaker Module
- 1x Integrated 190 cm Audio Connection Cable fitted with standard 3.5mm Jack
- 1x Adjustable Mechanical Gimbal Mounting Bracket with Fixing Screws Kit
