HARMAN KARDON NCDI4X600-U-US 4-channel 600W live sound amplifier
- Amplifier
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Class D stereo amplifier board delivers 15W per channel at 24V or 10W at 12V with over 90% efficiency and built-in protection circuits
The DROK 2001711003 is a Class D live-sound amplifier board built around the PAM8620 chip. It delivers 15W per channel into 8 ohms at 24V or 10W per channel at 12V, making it suited for DIY speaker builds and compact sound systems.
The board uses a black immersion-gold PCB with KEMET speaker capacitors, large filter capacitors, gold-plated audio inputs and black copper terminal blocks. Protection includes input reverse-connection, short-circuit, over-heat, over-current, over-voltage and under-voltage safeguards, plus EMI compliance.
Power must stay within 8V to 26V DC; 12V and 24V are typical sources. Output drops to 10W per channel at 12V and rises to 15W per channel at 24V with 8-ohm loads, while 4-ohm or 2-ohm loads are automatically limited to 15W total. Builders needing higher continuous power or a wider voltage window should look elsewhere.
Measured against everything we stock in Stage & PA Amplifiers, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | DROK |
| Product type | 2001711003 |
| In the box | |
| Package contents | 1 |
The board uses solid-state Class D circuitry with no moving parts; the PAM8620 and gold-plated terminals are rated for continuous operation and do not have a scheduled replacement interval.
Over-heat protection engages before the amplifier reaches a damaging temperature, automatically reducing output until the board cools.
At over ninety percent efficiency the board generates minimal heat; quiescent current is low and harmonic distortion stays below point two percent, so audible noise from the amplifier itself is negligible.
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