QSC AC-S6T 6.5-inch 2-way, 130° conical

The QSC AcousticCoverage™ Series AC-S6T is a surface mounted 6.5” two-way loudspeaker with 70/100V transformer, suitable for a wide variety of audio/video conferencing reinforcement, voice paging and background music applications. AcousticCoverage™ Series is designed to offer integrators a cost effective solution for applications where voice reinforced coverage is of primary concern, while providing improved musicality often not seen in typical BGM class products. 



  • High quality transducers provide exceptional clarity through the critical voice range.
  • Improved musicality often not seen in typical BGM class products.
  • Ported baffle for increased low frequency extension down to 70 Hz.
  • Low saturation 70/100V transformers with 8 ohm bypass.
  • 4-pole Euroblock connector eases system wiring.
  • Advanced voicing via QSC Intrinsic Correction™, applied using Q-SYS processing or CXD amplifier platforms.
  • Available in black (RAL 9011) or white (RAL 9010).
  • Complete EASE, CAD & BIM information available online.
Specifications AC-S6T
Effective frequency range1 60 Hz–20 kHz
Rated noise power / voltage2 30 watts / 15.5 volts rms
Broad-band sensitivity3 86 dB SPL
Coverage angle (-6 dB) 130° conical (500 Hz–5 kHz)
Directivity factor (Q) 6
Directivity Index 8 dB
Maximum continuous SPL4 101 dB
Maximum peak SPL4 107 dB
Rated impedance 8 ohms
Recommended amplifier power 60 watts into 8 ohms
Transformer taps 70V: 30, 15, 7.5, 3.7, 1.9 watts
100V: 30, 15, 7.5, 3.8 watts
8 ohm bypass
LF transducer 165 mm (6.5-inch) Polypropylene woofer with 25 mm (1-inch) voice coil
HF transducer 25 mm (1-inch) Aluminium dome tweeter with 25 mm (1-inch) voice coil
Input connector type Euroblock connector with parallel output
Enclosure material UV treated, high impact ABS polymer
Grille material Powder coated steel
Yoke material Powder coated steel with brass inserts
Enclosure Details
  • Ingress protection
  • Operating environment
  • Operating Temperature Range

Designed for indoor use
-20 to 50° C (-4 to 122° F)
Product Dimensions (HWD) inches 11.9 x 8.5 x 7.8
Product Dimensions (HWD) mm 303 × 215 × 197
Net Weight 8.3 lb / 3.8 kg
Shipping weight 8.4 kg (18.6 lb)
pair packed
Shipping Dimensions (HWD) inches 14.1 × 10.5 × 18.5 
pair packed
Shipping Dimensions (HWD) mm 359 x 267 x 470
pair packed 
Included accessories Yoke mount system, euroblock connector