Ο QSC GX 3 ειναι εεπαγγελματικός τελικός ενισχυτής 2x425W RMS @ 4Ω, 2x300W RMS @ 8Ω.

Διαθέτει εισόδους RCA (unbalanced), 3-pin XLR και jack 6,3mm (balanced), εξόδους speakon combo (για speakon και jack 6,3mm) και μπόρνες. Τέλος διαθέτει crossover switch (100Hz low pass στο κανάλι 1 και high pass στο κανάλι 2). Προστασίες short circuit, open circuit, υπερθέρμανσης, RF και DC faults. Διαστάσεις (HxWxD) 89x483x257mm - 12,1kg. 

• 8Ω / both channels driven / 1 kHz: 300 W
• 8Ω / single channel driven / 1 kHz: 350 W
• 4Ω / both channels driven / 1 kHz; 425 W
• 4Ω / single channel driven / 1 kHz; 500 W
• Distortion (typical): 20 Hz - 20 kHz: 1 dB below rated power 8Ω: less than 0.05% / 4Ω: less than 0.1%
• Signal to Noise: (20 Hz - 20 kHz) 100 dB
• Input Sensitivity: 1.2 Vrms
• Voltage Gain: (8Ω) 32.2 dB
• Output Circuitry: Class B
• Power Requirements: (1/8 power, pink noise at 4Ω, 120 V) 6.3A
• Frequency Response: 20 Hz - 20 kHz, +0, 1 dB
• Dynamic Headroom (4Ω): 2 dB
• Damping Factor: 100
• Input Impedance (Ω): Greater than 20k (balanced)
• Maximum Input Level: +24 dB (16 Vrms)
• Input Connectors (each channel): 3-pin XLR and 1/4" TRS, balanced, parallel Phono, unbalanced
• Output Connectors (each channel) Speakon®, 1/4", Binding Posts
• Amplifier and Load Protection: Short circuit, open circuit, thermal, RF protection
• Load protected against DC faults
• Front Panel Controls and Indicators: Gain controls, 21 detents
• Red Clip LEDs, proportional, 0.1% THD threshold
• Green Signal LEDs, threshold -35 dB
• Blue Power LED, AC on
• Rear Panel Controls: Full Range / Crossover switch
• 100 Hz, 3rd order LP (sub), 2nd order HP (top)
• Dimensions (HWD): 3.5" (2RU) x 19" x 10.1" (89 mm x 483 mm x 257 mm)