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QSC CX404 เพาเวอร์แอมป์ 4 แชนแนล 250 วัตต์

QSC CX404 เป็นเครื่องขยายเสียงแบบ 4 ชาแนล มีกำลังขับ 250 วัตต์ x 2 ที่ 8 โอหม์ และ 400 วัตต์ x 2 ที่ 4 โอหม์



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QSC CX404 เพาเวอร์แอมป์ 4 แชนแนล 250 วัตต์

QSC CX404 เพาเวอร์แอมป์ 4 แชนแนล 250 วัตต์ 

  • Compact size — only 2 RU and 14″ deep for reduced rack cost and floor space
  • Bridgeable channels 1 2 and 3 4 for maximum flexibility
  • Active inrush limiting eliminates AC inrush current removing the need for expensive power sequencers
  • HD15 DataPort connector for Q-SYS networked control and monitoring
  • 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)
  • 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
  • All CX Series amplifiers meet the European Union’s 2006 RoHS directive to restrict the use of hazardous materials used in electronic devices.

ดูสินค้ายี่ห้อ QSC ทั้งหมด




Power Rating Stereo @ 2 Ohms: Not Recommended
Stereo @ 4 Ohms: 400W per Channel
Stereo @ 8 Ohms: 250W per Channel
Bridge-Mono @ 4 Ohms: 900W per Channel
Bridge-Mono @ 8 Ohms: 800W per Channel
Bridge-Mono @ 16 Ohms: 500 Watts per Channel
Damping Factor >500(1kHz and below)
Input Sensitivity 1.22 Vrms
Input Impedance 12k ohms(Balanced)
6k ohms(Unbalanced)
Gain 31dB @ 8 ohms
Frequency Response 20Hz – 20kHz /- 0.2 dB
8Hz – 50kHz 0 -3 dB
Signal-to-Noise Ratio < – 106dB
Total Harmonic Distortion (THD) < 0.01% 10db
Input Connections Input: 3 position Euro-style detachable barrier block Ch 123 & 4
DataPort: HD-15 Connector Ch 1 2 Ch 3 4
Output Connectors Output: Six-position barrier strip with monitor connections Ch 1 2 Ch 3 4
Controls Front Panel Controls Front: AC switch Ch.1 and Ch.2 gain knobs
Controls (Rear) Rear: DIP switch for Ch.1 and Ch.2: clip limiter on/off LF filter on/off LF filter freq select 33 Hz or 75 Hz for non-V models; 50 Hz or 75 Hz for V models; inputs parallel or stereo; bridge mode
CLIP/PROT: Red LED (1 per channel)
LEVEL-10 dB: Yellow LED (1 per channel)
LEVEL-20 dB: Yellow LED (1 per channel)
SIGNAL -35 dB: Green LED (1 per channel)
Cooling Variable Speed Fan Rear to Front Airflow through Tunnel Heat Sink
Power Consumption 100 120 230 VAC 50-60 Hz
Dimensions (WxHxD) 19 x 3.5 x 14″ (483 x 89 x 356mm)
Weight 21 lbs (9.5kg)
Specialties Powerwave Power Supply
Varispeed Fan Cooling
Custom Integrated Security Cover
Packaging Info
Package Weight 27.3 lb
Box Dimensions (LxWxH) 24.0 x 18.0 x 6.0″