QSC Audio CX108V User Manual
Channel, Professional power amplifiers
CX
8-channel
Professional Power Amplifiers
CX168 | CX108V
Features
• 100 watts per channel at 70 volts (CX108V)
• 90 watts per channel at 8 ohms and 130 watts per channel at 4 ohms (CX168)
• Compact size — only two rack spaces and 14" deep for reduced rack space
• Channel pairs bridgeable for maximum flexibility
• Exclusive PowerLight switch-mode power supply technology for high
performance and compact size
• Active inrush limiting eliminates AC inrush current, removing the need for
expensive power sequencers
• Four HD15 DataPorts (one per channel pair) for QSControl computer
control or QSC’s signal processing accessories
• Custom integrated gain control security cover for tamper proof installations
• 1 dB recessed detented gain controls for fast and accurate settings
• Detachable Euro-style input and output connectors
• DIP switch control for clip limiters, high-pass filters, bridge-mono and
parallel operation
• Selectable high-pass filters protect speakers and prevent speaker
transformer saturation with minimal effect on program material
(50 Hz or 75 Hz; CX108V) (33 Hz or 70 Hz; CX168)
• Comprehensive front panel indicators including signal, clip, bridge mono
and parallel-input LEDs
• Fully protected — including DC, infrasonic and ultrasonic, thermal overload
and short circuit protection
• High-performance Class AB+B complementary bipolar output circuitry
• Lightweight — only 21 pounds (9.5 kg) for easier racking and shipping
• 3-year warranty plus optional 3-year extended service contract
Designed for permanently installed sound systems where
rackspace is at a premium, QSC’s CX108V and CX168
provide unprecedented levels of channel density for multi-
channel amplifiers. The CX108V and CX168 provide 100
watts per channel at 70 volts and 90 watts per channel at 8
ohms respectively. With both models, each pair of channels
may be bridged to configure these amplifiers as 4, 5, 6 or 7
channel units. Like the entire CX Series, the 8 channel models
feature DataPorts for remote amplifier management or
signal processing, incorporate QSC’s legendary PowerLight™
technology, and deliver our unmatched reputation for quality
and reliability.
QSC’s PowerLight technology takes your audio to an entirely
new level. Delivering tighter bass and clean, transparent
highs, PowerLight also cuts waste heat, boosts reliability,
and eliminates unwanted noise and hum. PowerLight is a
revolutionary switching power supply technology that provides
ample current to the audio power circuitry by charging the
supply rails over 200,000 times per second through an
ultra-low noise impedance circuit. Unlike amplifiers that
use conventional supplies, the audio signal is never starved
prematurely and remains crisp and clean.
CX 8-channel Amplifiers
Watts per channel
Model
70V*
8Ω
4Ω**
CX168
—
8 x 90
8 x 130
CX108V
8 x 100
—
—
20 Hz – 20 kHz, 0.05%THD
* 20 Hz – 20 kHz, 0.2%THD
**20 Hz – 20 kHz, 0.1%THD