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| Bass boost | 0 - 18 dB |
|---|---|
| Amplifier class | A/B |
| Frequency range | 15 - 30000 Hz |
| RMS rated power | 250 W |
| Input sensitivity | 250 mV |
| Audio output channels | 4.0 channels |
| Peak power per channel | 1000 W |
| Signal-to-Noise Ratio (SNR) | 95 dB |
| RMS power output per channel (2 Ohm) | 50 W |
| Audio (L/R) in | 1 |
| Speakers connectivity type | RCA |
| LED indicators | Power |
| Purpose | Boat |
| Product color | Blue, White |
| Volume control | Digital |
| Connectivity technology | Wired |
| DC input voltage | 12 V |
| Power protection features | Overload, Short circuit |
| Depth | 304.8 mm |
|---|---|
| Width | 276.8 mm |
| Height | 68.5 mm |
| Weight | 4762 g |
Details on obtaining warranty service, required documentation, and return shipping procedures.
Highlights key capabilities for both PLMRA220 and PLMRA420 models.
Detailed specifications, controls, and diagrams for the PLMRA220 amplifier.
Detailed specifications, controls, and diagrams for the PLMRA420 amplifier.
Wiring diagrams for power, ground, and speaker terminals on the PLMRA420.
Connecting the PLMRA220 using low-level and high-level stereo inputs.
Connecting the PLMRA420 using 2/4 channel low-level inputs.
Utilizing high-level and mono input configurations for the PLMRA420.
Wiring speakers for stereo and bridged mono modes on the PLMRA220.
Configuring speaker outputs for stereo, bridged dual mono, and subwoofer modes.
Recommendations for choosing a location, marking, and drilling for amplifier mounting.
Advice on wire gauge, battery connections, and power fuse replacement.
Guidance for addressing no output, single channel operation, weak output, and audio noise.
Guidelines on safe amplifier operation, mounting, and battery disconnection.
Important notes regarding speaker impedance for stereo and bridged modes.
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