QSC CX404 - Manual
QSC CX404 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Features
• Three models that range in power from 170 watts to 450 watts per channel
• Compact size – all models only 2 RU and 14" deep for reduced rack cost and floor space
• Channels 1&2 and 3&4 bridgeable for maximum flexibility
• Active Inrush Limiting eliminates AC inrush current, removing the need for expensive
power sequencers
• HD15 DataPort connector for QSControl computer control
• Custom integrated security cover for tamper-proof installations
• Variable speed fan for low noise
• 1 dB detented gain controls for fast and accurate gain settings
• Detachable Euro-style input connectors
• DIP switch control for clip limiters, high-pass filters, bridge-mono and parallel operation
• Exclusive PowerLight switch-mode power supply technology for high performance and
compact size
• Selectable high-pass filters protect speakers and prevent speaker transformer saturation
with minimal effect on program material (33 Hz or 75 Hz on CX254 and CX404, 50 Hz or
75 Hz on CX204V)
• Comprehensive front panel indicators including signal, clip, protect and QSC’s exclusive
bridge-mono and parallel input LEDs
• Barrier strip output connector
• Comprehensive protection circuitry including DC, infrasonic, thermal overload and short
circuit protection
• High-performance Class AB+B complementary bipolar output circuitry
• Lightweight – all models only 21 pounds (9.5 kg) for easier racking and shipping
• 3-year warranty plus optional 3-year extended service contract
The 4-channel CX amplifiers give you four
channels in only two rack spaces, without
compromising on power. Choose from three
models, a direct 70 volt model and two low-
impedance versions. Each model is equipped
with exclusive QSC PowerLight™ switching
power supply technology to virtually eliminate
noise and hum. With high-output power,
versatile loading options, high-thermal capacity
and unmatched reliability, the CX Series is the
perfect solution to any permanently installed
sound system.
CX
4-channel
Professional Power Amplifiers
CX 4-channel Amplifiers
Watts per channel
Model
70V
8
Ω
4
Ω
2
Ω
CX254
−
170
250
450*
CX404
−
250
400**
−
CX204V
200
−
−
−
20 Hz – 20 kHz, 0.05% THD
*
1 kHz, 1% THD
**
1 kHz, 0.1% THD
CX254 | CX404 | CX204V
All models include an
integrated security cover for
tamper-proof installations
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