เครื่องขยายเสียง 2 ชาเเนล คลาส D 4500 วัตต์
หมวดหมู่ : สินค้าโปรโมชั่น ,  สินค้าระบบเสียง ,  เครื่องขยายเสียง , 
แบรนด์ : QSC
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SPECIFICATIONS | GXD 4 | GXD 8 | ||||
Output power per channel | ||||||
8Ω dynamic, both channels driven | 600 W | 1500 W | ||||
4Ω dynamic, both channels driven | 800 W | 2250 W | ||||
8Ω continuous, both channels driven | 400 W | 800 W | ||||
4Ω continuous, both channels driven | 600 W | 1200 W | ||||
Distortion (typical) 1 kHz at full rated power | < 1% THD | |||||
Signal to Noise (A weighted, 20 Hz20 kHz) | 100 dB | |||||
Input Sensitivity | 1.2 Vrms, 3.9 Vrms | |||||
Maximum Voltage Gain | 33.5 dB | 36.5 dB | ||||
Output Circuitry | Class D | |||||
Power Requirements | 1/8 power at 4Ω | |||||
- 100 V AC | 3.4 A | 6.2 A | ||||
- 120 V AC | 2.9 A | 5.6 A | ||||
- 230 V AC | 1.6 A | 3.2 A | ||||
Frequency Response (20 Hz20 kHz) | +0.7 dB, -0.8 dB | |||||
Dynamic Headroom (4Ω) | 1.25 dB | 2.73 dB | ||||
Damping Factor (8Ω) | 100 | |||||
Input Impedance | 20 kΩ (balanced), 10 kΩ (unbalanced) | |||||
Maximum Input Level | +23.5 dBu | |||||
Input Connectors (each channel) | 3-pin XLR/F / 1/4-inch TRS, balanced | |||||
Output Connectors (each channel) | NL4, binding posts NL4 pinout: Channel A on 1+, 1-; Channel B on 2+, 2- Channel B on 1+, 1- | |||||
Amplifier and Load Protection | Short circuit, open circuit, thermal, RF protection Load protected against DC faults | |||||
Front Panel Controls and Indicators | 2 × Rotary Encoders 3 × Operational buttons (HOME, ENTER, EXIT) 2 × Green Signal LEDs indicate signal presence 2 × Red A/D Clip LEDs indicate input over-drive and/or amplifier current clipping Blue Power LED ring indicates AC on 2.12-inch × 1.0-inch, 256 × 128 pixel LCD | |||||
DSP Functions | High-pass filter, 4th-order Linkwitz-Riley, adjustable frequency 20 Hz to 4 kHz Low-pass filter, 4th-order Linkwitz-Riley, adjustable frequency 60 Hz to 4 kHz 4-band parametric EQ with variable frequency, gain, and bandwidth Peak limiter with power, agressiveness, and impedance selection Delay 50 msec max. | |||||
Product Dimensions (H×W×D) | 89 × 483 × 259 mm 3.5 (2 RU) × 19 × 10.2 in | |||||
Carton Dimensions (H×W×D) | 600 × 370 × 153 mm 23.6 × 14.6 × 6 in | |||||
Net Weight | 5.1 kg / 11.3 lb | 6 kg / 13.2 lb | ||||
Shipping Weight | 7 kg / 15.4 lb | 7.9 kg / 17.4 lb | ||||
Agency Approvals | UL, CE, RoHS/WEEE compliant | |||||
Carton and Contents | Power cable and quick start guide |