The QSC AcousticCoverage™ Series AC-S4TB is a 4.5-inch, two-way surface-mount loudspeaker engineered to deliver superior audio performance in a variety of commercial settings.

Designed with a focus on vocal clarity, the AC-S4TB is ideal for applications such as background music, paging systems, and conference rooms. Its sleek black design, ABS enclosure seamlessly integrates into diverse environments, while the included yoke mount allows for flexible installation. With a ported baffle design, the AC-S4TB extends low-frequency response down to 70 Hz, enhancing the depth and richness of the audio output. The loudspeaker supports both 70/100V and 8-ohm bypass configurations, providing adaptability for various system requirements.

Additionally, advanced voicing can be achieved through QSC's Intrinsic Correction™ via the Q-SYS™ Platform or CXD Series amplifiers, ensuring optimized sound quality tailored to your specific application.

The Key Features of the QSC AcousticCoverage™ Series AC-S4TB:

• High-Quality Transducers: Equipped with a 4.5-inch polypropylene woofer and a 1-inch aluminum dome tweeter, the AC-S4T-BK delivers exceptional clarity, particularly in the critical vocal frequency range.
• Ported Baffle Design: Enhances low-frequency extension down to 70 Hz, providing a fuller sound profile suitable for background music and paging applications.
• Versatile Mounting Options: Includes a yoke mount system with brass inserts, allowing for flexible horizontal or vertical installation to suit various space requirements.
• Transformer and Bypass Settings: Features low-saturation 70/100V transformers with multiple tap settings and an 8-ohm bypass, offering compatibility with diverse audio systems.
• Advanced Voicing Capabilities: Supports QSC's Intrinsic Correction™ voicings via the Q-SYS™ Platform or CXD Series amplifiers, enabling precise tuning for optimal sound performance.
• Durable and Aesthetic Design: Constructed with a UV-treated, high-impact ABS polymer enclosure and a powder-coated steel grille, the loudspeaker ensures longevity and a professional appearance.

The Detailed Specifications for the QSC AcousticCoverage™ Series AC-S4TB:

Frequency Range: 70 Hz – 20 kHz

Power Handling: 16 watts RMS

Sensitivity: 85 dB SPL (2.83V, 1 m)

Coverage Angle: 130° conical (500 Hz – 5 kHz)

Maximum SPL: 103 dB peak

Impedance: 8 ohms

Transformer Taps:

• 70V: 16W, 8W, 4W, 2W, 1W
• 100V: 16W, 8W, 4W, 2W

Low-Frequency Transducer: 4.5-inch (114 mm) polypropylene woofer with a 1-inch (25 mm) voice coil

High-Frequency Transducer: 1-inch (25 mm) aluminum dome tweeter with a 1-inch (25 mm) voice coil

Input Connector: 4-pole Euroblock connector with parallel output

Enclosure Material: UV-treated, high-impact ABS polymer

Grille Material: Powder-coated steel

Dimensions (H x W x D): 9.1 x 6.3 x 5.9 inches (230 x 160 x 150 mm)

Net Weight: 5.3 lbs (2.4 kg)

Included Accessories: Yoke mount system, Euroblock connector