6.5" Surface Mount Speaker, Black


Sale price$448.00
Only 2 units left


A surface-mounted 70/100 V, 6.5" 2-way loudspeaker system from QSC, the AD-S6T is part of their AcousticDesign™ series, and is ideal for use in a wide range of foreground and background sound reinforcement applications. It features a high quality 6.5" weather-treated paper cone woofer on a 1.5" voice coil, as well as a carefully selected 1" silk dome tweeter with 1" voice coil that perfectly matches the sensitivity and performance of the woofer for remarkable full-range reproduction. Consistent and even 105° axisymmetric (conical) coverage is attained through DMT™ (Directivity Matched Transition) technology, a QSC innovation which matches the directivity patterns of the woofer and the high-frequency waveguide at the crossover point. The result is a coherent transition between transducers and improved off-axis response. Its even, accurate frequency response is aided by a 60W low-loss, low-saturation transformer that features selectable taps, including an 8 Ω bypass. To preserve weather resistance, the rotary selector is located on the back of the enclosure, protected by a weather grommet. This particular model comes in your choice of either Black or White, and is priced individually, but sold as a pair.

Installers will appreciate the award-winning X-Mount™ system, which is included with each full-range AcousticDesign model. It's an innovative mounting solution that achieves unprecedented ease-of-installation in horizontal, vertical, wall, or ceiling deployments. Its knurled surfaces at the pivot planes ensure the load will not drift or sag over time. Articulation marks allow preconfiguration of the X-Mount while on the ground with no special tools needed. Once secure, the loudspeaker installs in seconds, allowing the installer to work safer, smarter, and faster with repeatable results.

Further enhancing performance and speed of install with optimum result, advanced voicing filter sets using QSC's Intrinsic Correction™ are obtained using Q-Sys networked audio processing platforms or CXD amplifier platforms, for a complete QSC systems solution.

QSC AcousticDesign Series

Offers integrators a premium-quality installed sound solution where performance, coverage, and aesthetics are all paramount. Combined with unprecedented ease-of-installation and high weather resistance, the AcousticDesign series provides integrators a versatile and confident install solution. With rugged ABS enclosures, sealed input panel covers, and powder-coated aluminum grilles for weather resistance, the AcousticDesign surface-mounted series exceed IEC60529 IP-54 ratings for dust and splash resistance. Series models feature a stylish appearance, free of obtrusive logo adornments, for aesthetically sensitive installations. Additionally, AcousticDesign surface loudspeakers may be painted to match any decor if needed.


  • X-Mount mounting system
  • Euroblock connector
  • Input panel cover


  • DMT tech ensures smooth, uniform frequency response over the coverage area
  • X-Mount system enables the loudspeaker to be easily installed and deployed at a variety of angles with no slippage over time
  • Advanced voicing filter sets using QSC Intrinsic Correction, available through either Q-Sys processing or CXD amplifier platforms
  • Low-saturation and low-loss 70/100 V transformers with 8 Ohm bypass
  • Lightweight ABS enclosures offer long-term durability and lasting good looks
  • Sealed input panel cover and powder coated aluminum grilles for added weather-resistance
  • Meets IEC60529 IP-54 for dust- and splash-resistance
  • Complete EASE, CF2, CAD, and BIM information available online


  • Effective Frequency Range: 60 Hz – 20 kHz
  • Rated Noise Power / Voltage: 150W / 35 V (RMS)
  • Broadband Sensitivity: 89 dB SPL
  • Coverage Angle (-6 dB): 105°
  • Directivity Factor (Q): 5
  • Directivity Index: 7 dB
  • Maximum continuous SPL: 110 dB
  • Maximum Peak SPL: 116 dB
  • Rated Impedance: 8 Ω
  • Recommended Amplifier: 300W
  • Transformer Taps:
    • 70V: 60, 30, 15, 7.5W and 8 Ω bypass
    • 100V: 60, 30, 15W and 8 Ω bypass
  • HF transducer: 1" silk dome tweeter / 1" voice-coil horn-loaded
  • LF Transducer: 6.5" weather-resistant paper cone woofer, 1.5" / 38 mm voice-coil
  • Input Connector Type: Euroblock connector with parallel output
  • Housing color: Black or white
  • Enclosure Material: Painted ABS polymer
  • Grille Material: Powder-coated aluminum
  • X-Mount Material: Powder-coated aluminum
  • Enclosure Details:
    • Ingress Protection: IP-54
    • Operating Environment: Designed for indoor and outdoor use
    • The AD Series loudspeakers qualified for outdoor use using the following tests: Salt Fog: MIL-STD-810G Method 509.5 for 100 hrs.; Humidity: MIL-STD-810G Method 507.5, Natural cycle B2, cyclic high RH for 7 days; High and Low Temperature: Tested to QSC internal standards between -20° and +50° C
  • Operating Temperature Range: -4° F to 122° F (-20° C to +50° C)
  • Net Weight: 13.6 lbs. (6.2 kg)
  • Product Dimensions: 14.4" x 8.5" x 8.5" (365 x 215 x 215 mm)
  • Shipping Weight: 33.4 lbs. (15.2 kg) (pair packed)
  • Shipping Dimensions: 20" x 12" x 23" (510 x 305 x 585 mm) (pair packed)
 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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