Rainbow
Rainbow Audio SL-M2 2 channel micro amplifier
SKU: SL-M2
$ 199.99
$ 549.99
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$ 350.00
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Rainbow Audio SL-M2 2 channel micro amplifier
Regular price
$ 199.99
Sale price
$ 199.99
Regular price
$ 549.99
Unit price
Product Details
Specifications
Related Products
RAINBOW AUDIO SL‑M2 2‑Channel Micro Amplifier
German-engineered Class‑D power in an ultra-compact footprint
2‑Channel Class D
Micro Chassis
Bridgeable
Closeout Item
Why the Rainbow SL‑M2 matters
The Rainbow Audio SL‑M2 is a true "hide‑anywhere" 2‑channel micro amplifier built for clean, efficient output in tight installs. Use it to power upgraded door speakers, pods, or a compact bridged setup—without sacrificing space. Its spec sheet reads like a full-size amp: wide bandwidth, strong noise performance, and flexible input sensitivity.
Power @ 4Ω (Stereo)
2 × 90W RMS
Power @ 2Ω (Stereo)
2 × 120W RMS
Power (Bridged)
1 × 240W RMS @ 4Ω
Size (L×W×H)
86 × 64 × 43 mm
Technical Specifications
| RMS Power | 2 × 90W @ 4Ω • 2 × 120W @ 2Ω • 1 × 240W @ 4Ω bridged |
| Input Sensitivity | 0.4V – 13V |
| Frequency Response | 5Hz – 25kHz |
| Signal‑to‑Noise Ratio | > 90 dB |
| Total Harmonic Distortion | < 0.2% |
| Dimensions (L×W×H) | 86mm × 64mm × 43mm |
| Part Number | 280002 |
Install Ideas (fast wins)
- Door speaker upgrade: Run 2‑channel stereo to power front coaxials/components when your head unit is weak.
- Bridge mode: Combine channels for a single higher-power output (4Ω bridged) to drive a compact midbass or small sub solution.
- Space‑critical vehicles: motorcycles, UTVs, compact cars, glovebox/behind‑dash installs.
Class‑D Efficiency
High output with reduced heat—ideal when there’s little airflow.
Wide Input Range
0.4V–13V input sensitivity supports a broad range of sources and signal levels.
Pricing & Closeout Note
Closeout Price
$199.99
Retail (Was)
$549.99
Status
Final Sale • No Restocks
What you’re getting
- Micro chassis for stealth installs
- Real RMS power for speaker upgrades
- Bridgeable flexibility when you want more from one channel
- Full-range bandwidth (5Hz–25kHz) for natural, open sound
Quick Setup Tips
- Start with gains low; increase until clean output, then back off slightly.
- Use an inline fuse close to the battery on the power wire.
- For bridged mode: ensure the load is 4Ω minimum.