Description:
Product Description
The QSC AC-S4T WHT White is a pair of AcousticCoverage series wall-mount speakers designed to provide superior vocal clarity and uniform sound coverage. Featuring a 2-way configuration, 4" (100mm) polypropylene cone woofer, 1" (25mm) aluminum dome tweeter, 16W RMS power, 70/100V transformer with 8-ohm bypass, selectable 70V taps: 16/8/4/2/1W, 100V taps: 16/8/4/2W, 130° conical coverage (-6dB), 85 dB SPL sensitivity, 97 dB continuous max SPL, 103 dB peak, 70Hz-20kHz frequency response (-10dB), UV-treated ABS enclosure with ported baffle, 4-pole Euroblock connector with pass-through, yoke mount included, IP44 dust/water resistance, RAL 9010 white finish, weight 2.4 kg per speaker (5.3 lbs), dimensions 230 x 160 x 150mm (9.1 x 6.3 x 5.9"), 3-year manufacturer limited warranty, sold as a pair, the QSC AC-S4T WHT White is the perfect solution for paging, videoconferencing, and background music with superior vocal clarity.
2-Way Drivers: Superior Vocal Clarity
4" Woofer + 1" Aluminum Tweeter
The QSC AC-S4T WHT features:
- 4" (100mm) polypropylene woofer: Clear mid and low-frequency reproduction
- 1" (25mm) aluminum dome tweeter: Crystal-clear high frequencies
- 70Hz-20kHz response: Full range for voice and music
- 85 dB SPL sensitivity: Professional efficiency
- Voicing optimized for speech: Clarity in the critical vocal range
70/100V Transformer: Installation Flexibility
Selectable Taps and 8-Ohm Bypass
The QSC AC-S4T WHT offers:
- 70/100V transformer: Voltage flexibility
- 70V taps: 16/8/4/2/1W: Precise power adjustment
- 100V taps: 16/8/4/2W: High-voltage options
- 8-ohm bypass: Direct operation without a transformer
- Low noise and low loss: Superior audio quality
130° Conical Coverage: Uniform Distribution
Reduces Number of Speakers Required
The QSC AC-S4T WHT provides:
- 130° conical coverage: Uniform sound distribution
- Directivity factor Q: 6: Optimized sound control
- Directivity index: 8 dB: Precise sound focusing
- Reduces number of speakers: More efficient installation
- Effective near-field coverage: Ideal for compact spaces
UV-Treated ABS Enclosure: Professional Durability
Ported Baffle for Bass Extension
The QSC AC-S4T WHT includes:
- UV-treated ABS enclosure: Resistance to solar radiation
- Ported baffle: Bass extension down to 70Hz
- IP44 resistance: Dust and water protection
- RAL 9010 white finish: Aesthetic integration
- Painted steel grille: Protection and durability
Euroblock Connector: Simple Installation
Pass-Through for Daisy-Chain Wiring
The QSC AC-S4T WHT offers:
- 4-pole Euroblock connector: Professional connection
- Pass-through (loop-thru): Daisy-chain wiring without termination
- Accepts 4 pairs of 18AWG: Wiring flexibility
- Simplified installation: No star topology needed
- Easy rear access: Simple maintenance
Technical Specifications
| Specification | Detail |
|---|---|
| Model | QSC AC-S4T-WH |
| Series | AcousticCoverage |
| Type | Surface-mount speaker |
| Configuration | 2-way passive |
| Woofer | 100mm (4") polypropylene |
| Tweeter | 25mm (1") aluminum dome |
| RMS Power | 16W (2 hours) |
| Recommended Amplifier | 32W |
| Transformer | 70/100V, low saturation, low loss |
| 70V Taps | 16 / 8 / 4 / 2 / 1 W |
| 100V Taps | 16 / 8 / 4 / 2 W |
| 8-Ohm Bypass | Yes |
| Nominal Impedance | 8 ohms |
| Frequency Response (-10dB) | 70Hz - 20kHz |
| Sensitivity | 85 dB SPL (2.83V, 1m) |
| Continuous Max SPL | 97 dB |
| Peak Max SPL | 103 dB |
| Conical Coverage (-6dB) | 130° (500Hz-5kHz) |
| Directivity Factor Q | 6 |
| Directivity Index | 8 dB |
| Enclosure | UV-treated ABS, ported baffle |
| Grille | Powder-coated steel |
| Connector | 4-pole Euroblock with pass-through |
| IP Rating | IP44 (dust/water) |
| Temperature Range | -20°C to +50°C (-4°F to +122°F) |
| Finish | RAL 9010 White |
| Height | 230mm (9.1") |
| Width | 160mm (6.3") |
| Depth | 150mm (5.9") |
| Weight (per speaker) | 2.4 kg (5.3 lbs) |
| Weight (pair) | 4.8 kg (10.6 lbs) |
| Includes | Yoke mount, Euroblock connector, manual |
| Warranty | 3-year manufacturer limited |
| Sale | Per pair |
Ideal for
The QSC AC-S4T WHT White is ideal for paging and voice announcement systems, videoconferencing and A/V conferencing, background music (BGM) in commercial spaces, hospitals and healthcare centers, transport hubs and terminals, sound reinforcement in retail stores and public spaces, churches and religious venues, distributed audio installations, users looking for superior vocal clarity, those who value 70/100V flexibility, and any application requiring wall-mount speakers with clear sound and uniform coverage.