HARMAN KARDON NCDI4X600-U-US 4-channel 600W live sound amplifier
- Amplifier
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Two-channel power amplifier delivering 400 W RMS with XLR, RCA and Speakon® connections for live sound
The Crown XLi 800 is a two-channel live sound amplifier rated at 400 W RMS and 300 W at 4 Ohm. It suits musicians, DJs, entertainers and venues such as houses of worship, discos and pubs that need reliable power at an affordable price. Selectable input sensitivity of .755 V or 1.4 V matches a wide range of source equipment. RCA and XLR inputs connect mixers, controllers or playback devices directly.
Forced-air cooling keeps the amplifier stable during extended sets while protection circuits guard against shorts, no-load conditions, on/off thumps and radio-frequency interference. Front-panel indicators show power, fault, signal presence and clip status for instant monitoring. The unit weighs 25.10 lb in a dark gray chassis built for touring and fixed installations alike.
Speakon® and binding post outputs give secure, professional connections for loudspeaker cables in stereo, parallel or bridge-mono mode. The versatile output options let you adapt the amplifier to different speaker configurations without extra adapters. No bundled software or accessories beyond the standard AC power cord are mentioned in the specifications.
Measured against everything we stock in Stage & PA Amplifiers, at today’s prices. Recalculated every night.
| Product | |
|---|---|
| Brand name | Crown |
| Product type | Amplifier |
Connect sources to the RCA or XLR inputs, set the input sensitivity switch to 0.755V or 1.4V to match your mixer, then wire speakers to the Speakon or binding posts in stereo, parallel or bridge-mono mode. The step people get wrong is leaving the sensitivity at the wrong voltage, which causes low output or clipping.
The forced-air cooling fan pulls dust through the chassis, so vacuum the intake vents every few months; if airflow drops the thermal protection will mute the amp. No user-serviceable parts inside — if a channel fails, the whole unit goes to a Crown-authorised service centre.
Thermal protection engages first; sustained high output heats the heatsinks until the fault indicator lights and the channel mutes until the fan brings temperatures back down.
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