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MX280/4
Technical Highlights
- Power: 4 x 50 W RMS @ 4 Ω / 4 x 70 W RMS @ 2 Ω (14.4V), Frequency response: 20 Hz 20 kHz.
- S/N Ratio: >89.5 dB, Damping Factor: >60 @ 4 Ω / >30 @ 2 Ω.
- Dimensions: 45 x 220 x 78.5 mm, Weight: 1.44 kg, Protection Class: IPX7.
- More technical details
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MX280/4 by JL Audio Description
The MX280/4 from JL Audio is a high-quality 4-channel Class D Amplifier that, thanks to the innovative NexD™ switching design, offers impressive performance with minimal load on the charging system. With 50W x 4 at 4 Ohm and full bridgeability, this IPX7 waterproof amplifier is ideal for both demanding and durable applications.
- Class D 4-channel amplifier
- Power: 70W x 4 @ 2 Ω, 50W x 4 @ 4 Ω at 14.4V
- Fully bridgeable to 140W x 2 @ 4 Ω
- Compact, corrosion-resistant aluminum housing
- High-speed switching design NexD™
- Crossover for full-range, high-pass, and low-pass filters
- IPX7 Waterproof
- Stainless steel hardware
- Robust, powder-coated surface
- RMS power at 14.4 V: 50W x 4 @ 4 Ω, 70W x 4 @ 2 Ω
- Bridged power: 140W x 2 @ 4 Ω
- Frequency response: 20 Hz - 20 kHz
- Signal-to-noise ratio: >89.5 dB
- Damping factor: >60 @ 4 Ω, >30 @ 2 Ω
- THD+N: <1% @ 2 Ω
- Input voltage range: 250 mV - 15 V RMS
- Cable diameter: 8 AWG
- Dimensions: 45 mm x 220 mm x 78.5 mm
- Weight: 1.44 kg

