# JL Audio RD900/5 vs AudioControl D-4.800: specs and price compared

A sourced, side-by-side comparison of the JL Audio RD900/5 (JL Audio) and AudioControl D-4.800 (AudioControl) among car amplifiers. JL Audio RD900/5 is the cheaper of the two at $679.99.

## Side by side

| Spec | JL Audio RD900/5 | AudioControl D-4.800 |
| --- | --- | --- |
| US price | $679.99 | $779 |
| Brand | JL Audio | AudioControl |
| Channels | 5 | 4 |
| Amplifier class | Class D | Class D |
| Rms per channel4 ohm (W) | 70 | 125 |
| Rms per channel2 ohm (W) | 100 | 200 |
| Bridged rms4 ohm (W) | 200 | 400 |
| Total rms power (W) | 900 | 800 |
| Snr (dB) | 104 | 102 |
| Thd percent | — | 0.01 |
| Frequency response (Hz) | 12-22000 | 20-24000 |
| Min impedance ohms | 2 | 2 |
| Fuse rating amps | 80 | — |

## Key differences

- Channels: JL Audio RD900/5 5 vs AudioControl D-4.800 4
- Rms per channel4 ohm (W): JL Audio RD900/5 70 vs AudioControl D-4.800 125
- Rms per channel2 ohm (W): JL Audio RD900/5 100 vs AudioControl D-4.800 200
- Bridged rms4 ohm (W): JL Audio RD900/5 200 vs AudioControl D-4.800 400
- Total rms power (W): JL Audio RD900/5 900 vs AudioControl D-4.800 800
- Snr (dB): JL Audio RD900/5 104 vs AudioControl D-4.800 102
- Frequency response (Hz): JL Audio RD900/5 12-22000 vs AudioControl D-4.800 20-24000

## Sources

- JL Audio RD900/5: https://www.jlaudio.com/products/rd900-5-car-audio-rd-amplifiers-98642 (jlaudio.com, verified 2026-07-11)
- AudioControl D-4.800: https://audiocontrol.com/products/d-4-800-high-power-4-channel-DSP-Matrix-Amplifier-accubass (audiocontrol.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/car-amplifiers/jl-audio-rd900-5-vs-audiocontrol-d-4-800/
Cite: Per The Front Desk Review, JL Audio RD900/5 ($679.99) vs AudioControl D-4.800 ($779) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/car-amplifiers/jl-audio-rd900-5-vs-audiocontrol-d-4-800/
License: CC BY 4.0.