QSC GX3 เพาเวอร์แอมป์สเตอริโอ 300 วัตต์

สินค้า QSC GX3 เพาเวอร์แอมป์สเตอริโอ เหมาะสำหรับงานเครื่องเสียงกลางแจ้ง มีกำลังขยาย 300 วัตต์ ที่ 8 โอมห์ Speakers XLR, Optimized for 4 and 8 ohm Speakers, XLR, 1/4″ TRS and Phono Inputs, Speakon® Combo Outputs, Subwoofer/Satellite Crossover Built-in



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QSC GX3 เพาเวอร์แอมป์สเตอริโอ 300 วัตต์


  • Power levels matched to the most popular speakers used by entertainers
  • Optimized for maximum real-world headroom into 4- and 8-ohm speaker systems
  • Inputs: XLR, 1/4″ TRS and phono input connectors for compatibility with any source
  • Outputs: Speakon® combo accepts 1/4″ (TS) plugs or Speakon 2- and 4-pole plugs (connects 2 poles only). Binding posts support all other speaker wiring systems
  • Minimum depth chassis (10.1″ / 257 mm) fits in compact, inexpensive effects racks
  • Lightweight – GX3 and GX5 less than 26 lb (12.5 kg). GX7 only 15.5 lb (7 kg)*
  • Detented gain controls for precise setting and matching of sensitivity
  • GuardRail™ automatically protects the amplifier and loudspeakers from damage due to temperature rise or overdrive without shutting down the show
  • Front panel LEDs monitor power, signal, and clipping
  • Subwoofer/satellite crossover built-in

ดูสินค้ายี่ห้อ QSC ทั้งหมด




Power Rating 8 ohms / 1 kHz (both channels driven): 300W

8 ohms / 1 kHz (single channels driven): 350W

4 ohms / 1 kHz (both channels driven): 425W

4 ohms / 1 kHz (single channels driven): 500W

Damping Factor Not Specified By Manufacturer
Input Sensitivity 1.2 Vrms
Input Impedance Greater than 20k (balanced)
Gain 32.2dB
Frequency Response 20Hz – 20kHz, +0, -1 dB
Signal-to-Noise Ratio 100dB
Total Harmonic Distortion (THD) 8 ohms: less than 0.05%

4 ohms: less than 0.1%

Input Connections 3-pin XLR and 1/4″ TRS, balanced, parallel

Phono, unbalanced

Output Connectors Speakon, 1/4″, Binding Posts
Controls Front Panel Gain controls, 21 detents

Red Clip LEDs, proportional, 0.1% THD threshold

Green Signal LEDs, threshold -35 dB

Blue Power LED, AC on

Controls (Rear) Full Range / Crossover switch

100 Hz, 3rd order LP (sub), 2nd order HP (top)

Indicators Red Clip LEDs, proportional, 0.1% THD threshold

Green Signal LEDs, threshold -35 dB

Blue Power LED, AC on

Cooling Not Specified By Manufacturer
Power Consumption 0.2 AC Amps, 44 per hour idle

UL, CE, RoHS/WEEE Compliant

Power Requirements 1/8 power, pink noise at 4 ohms, 120V 6.3A
Dimensions (WxHxD) 19 x 3.5 10.1″ (483 x 89 x 257mm)
Weight 26 lbs (12 kg)
Specialties Subwoofer/Satellite crossover built-in
Packaging Info
Package Weight 29.6 lb
Box Dimensions (LxWxH) 24.0 x 14.5 x 6.0″