JL Audio
JL Audio RD900/5
$679.99Cheaper
Best Car Amplifiers · head-to-head
JL Audio RD900/5 vs AudioControl D-4.800
A sourced, side-by-side comparison. JL Audio RD900/5 is cheaper at $679.99. Every spec and price links to its source.
AudioControl
AudioControl D-4.800
$779
Which is better: the JL Audio RD900/5 or AudioControl D-4.800?
On the specs we track, they're closely matched. The JL Audio RD900/5 is the cheaper at $679.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | JL Audio RD900/5 | AudioControl D-4.800 |
|---|---|---|
| US price | $679.99 | $779 |
| Brand | JL Audio | AudioControl |
| Released | — | — |
| 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 | — |
Sources — JL Audio RD900/5: jlaudio.com (verified 2026-07-11). AudioControl D-4.800: audiocontrol.com (verified 2026-07-11).
What's the difference between the JL Audio RD900/5 and AudioControl D-4.800?
Where the two actually differ on the specs we track (7 of 11). Matching specs are omitted.
- 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