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PBM-360.4 4-Channel Class D Mini Amp | Safe and Sound
£169.99
- Power your whole system from one tiny amp — the PBM-360.4 gives you four channels of clean Class D output (45W x 4 at 4 ohm), enough to run a complete front-and-rear speaker set from a chassis you can hide almost anywhere.
- Fit it where full-size amps won’t go — its conformal-coated board shrugs off dust, moisture and extreme temperatures, making it ideal for motorcycles, UTVs, golf carts, off-road builds and tight boot installs.
- Flexible system building — stable down to 2 ohm and switchable between full-range and mono block use, so you can drive coaxials, components or a bridged subwoofer to suit your setup.
- Dial it in to your speakers — a variable electronic crossover and variable gain let you tune each channel precisely for a balanced, clean result.
- Clean, pop-free switch-on — a soft-delay remote turn-on circuit removes the clicks and thumps you get from cheaper amplifiers.
- Fitted by the experts — supplied and professionally installed by Safe and Sound, drawing on over 30 years of car audio experience for a tidy, reliable result.
The PBM-360.4 proves you no longer need a boot full of equipment to power a full car audio system. This compact 4-channel Class D mini amplifier delivers clean, efficient output from a chassis small enough to tuck behind a panel, under a seat or onto a motorcycle, and at Safe and Sound we have spent over 30 years fitting amplifiers exactly like it to get the very best from every install.
Four channels of power in a mini chassis
PowerBass built the PBM Series around one goal: more power in less space, without giving up sound quality. With four channels on tap, the PBM-360.4 can run a complete set of front and rear speakers from a single small unit, or be configured to drive a pair of speakers plus a bridged subwoofer. The high-efficiency Class D design draws very little current while producing a strong, clean signal, so you get real performance without overloading your vehicle’s electrical system.
It is stable down to 2 ohm and can be used in full-range or mono block configuration, giving you genuine flexibility when planning a system.
Built to survive where other amps fail
The internal circuit board is conformal coated with a transparent protective layer that guards against moisture, dust and extreme temperatures. That makes this mini amplifier a natural fit for motorcycles, UTVs, golf carts, off-road vehicles and marine-style builds, as well as any car or van where mounting space is at a premium.
- High-efficiency Class D design with ultra-low current draw
- 2 ohm stable for flexible speaker matching
- Switchable full-range and mono block operation
- Conformal-coated PCB for dust and water-spray protection
- Soft-delay remote turn-on circuit to eliminate pops and clicks
Tune every channel with confidence
A variable electronic high-pass / low-pass crossover and variable gain control let you tailor the output to your speakers and your taste across all four channels. A self-diagnostic protection circuit with an LED status indicator keeps watch over impedance overload, speaker short circuit, thermal overheating and DC output, shutting the amp down before any damage is done.
Key specifications
| Specification | Detail |
|---|---|
| Model | PowerBass PBM-360.4 |
| Configuration | 4-channel, full-range / mono block, Class D |
| Power output (4 ohm) | 45W x 4 |
| Power output (2 ohm) | 90W x 4 |
| RMS / Max power | 360W / 720W |
| Minimum impedance | 2 ohm stable |
| Crossover | Variable electronic high-pass / low-pass |
| Gain control | Variable |
| Protection | Self-diagnostic with LED status (overload, short, thermal, DC) |
| Build | Conformal-coated PCB, dust and water-spray resistant |
Professional fitting from Safe and Sound
A four-channel mini amplifier like the PBM-360.4 rewards careful planning and a tidy installation, and that is where our team comes in. With more than three decades of car audio and vehicle security experience, Safe and Sound can supply the amp on its own or fit it for you with the correct wiring, fusing and crossover settings, so it performs safely and sounds its best from day one.
Ready to power your full system from one compact amp?
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