AudioPack Pro S4W
is a background music and paging solution that brings the signature sound and quality of Bose Professional to your business—all in one convenient, ready-to-install package. Inside the box are a Bose Professional amplifier and loudspeakers, specifically matched to elevate the customer experience with premium audio. The ideal mix of performance and value, this solution delivers exceptional durability, clean design, and ease of installation. The system features FreeSpace FS, our trusted line of in-ceiling and surface-mount loudspeakers. The perfect mix of performance and value, they combine durability, clean design, and ease of installation. FreeSpace FS loudspeakers deliver remarkably consistent tonality, clear voice reproduction, and smooth response. Plus, their pleasing aesthetic blends into any environment.
Features
Applications
Designed for a wide range of applications, including:
Specifications
AMPLIFICATION
- Channel Separation (Crosstalk)
- ≤ -60 dBV below rated power, 1 kHz
- Dynamic Range
- 88 dB
- Frequency Response
- 60 Hz – 20 kHz (+0 dB/-3 dB) at 1 W, 1 kHz reference
- Number of Channels
- 2
- Power Class
- Class D
- Rated Power, Symmetrical
- 90 W at 70V, 100V
- THD+N
- ≤ 1% at full rated power
AUDIO INPUTS, ANALOG
- Adjustment Range
- -20 dB to +20 dB, line / 0 dB to +50 dB, mic/line / 0 dB to +50 dB, page / fixed, auxiliary
- Input Channels
- 2 unbalanced, line + 1 balanced, mic/line + 1 balanced, mic (page) + 1 unbalanced, line (auxiliary)
- Connectors
- (1) RCA stereo pair, (1) XLR-1/4-in combo, (1) 4-pin Euroblock, (1) 1/8-in (3.5 mm) TRS
- Input Impedance
- 20 kΩ, line / 2 kΩ, mic/line / 2 kΩ, page / 20 kΩ, auxiliary
- Input Range
- -10 dBV to +10 dBV, line / -60 dBV to +10 dBV, mic/line / -60 dBV to +10 dBV, page / 0 dBV to +10 dBV, auxiliary
- Maximum Input Level
- +10 dBV
- Nominal Input Level
- 0 dBV, line / -40 dBV, mic/line / -40 dBV, page / 0 dBV, auxiliary
- Sensitivity
- 0 dBV, auxiliary / N/A, line, mic/line, page
AUDIO OUTPUTS, ANALOG
- Channels
- 1
- Connectors
- (1) 3-pin inverted Euroblock, (1) RCA stereo pair
- Output Impedance
- N/A (amplifier) / 400 Ω (auxiliary)
COMPLIANCE
- EN 54-24 Certified
- Yes
ELECTRICAL
- Current Draw, Inrush
- 7.6 A at 120 VAC, 60 Hz / 13.9 A at 230 VAC, 50 Hz
- Mains Connector
- IEC C14 inlet
- Mains Voltage
- 100–240 VAC (±10%), 50/60 Hz
- Protections
- High temperature, short circuit
- AC Power Consumption
- 15 W idle, 200 W maximum
INDICATORS AND CONTROLS
- Controls, Front Panel
- (1) power switch, (1) input selection switch, (1) treble knob, (1) bass knob, (1) mic/line gain knob, (1) master level knob
- Controls, Rear Panel
- Amplifier Mode DIP switch, Loudspeaker EQ preset selector, Input Gain (A/B/Page mic), Output trim
- LED Status Indicators
- (1) power LED, (1) input clip LED
INTEGRATED DSP
- A/D and D/A Converters
- 48 kHz / 24-bit
- Audio Latency
- 10.4 ms (analog input to analog output)
- Presets
- High-pass filter, Bose Professional loudspeaker presets (FreeSpace FS2C/FS2P/FS2SE/FS4CE/FS4SE)
- Processing Functions
- Loudspeaker EQ, Opti-Voice EQ (paging), Dynamic EQ (low-end compensation)
PHYSICAL
- Colors
- White (similar to RAL 9003)
- Enclosure Material
- Engineered plastics, highly UV fade-resistant
- Grille
- Perforated steel, powder-coated finish, tamper-resistant design
- Ingress Protection
- IP55 (loudspeakers only)
- Cooling System
- Natural convection
- Logo
- Removable
- Operating Temperature Range
- -25 °C to 70 °C (-13 °F to 158 °F)
- Net Weight
- 3.2 lb (1.4 kg), loudspeaker with grille & bracket (single) / 7.0 lb (3.2 kg), amplifier
- Rack Spaces
- 1 RU high, half rack wide
PERFORMANCE
- Frequency Range (-10 dB)
- 83 – 19,000 Hz
- Coverage, Horizontal
- 145°
- Calculated Maximum SPL @ 1 m
- 99 dB
- Nominal Impedance
- 16 Ω (transformer bypass)
- Power Handling, long-term continuous
- 16 W
- Power Handling, Peak
- 64 W
- Sensitivity (SPL/1 W at 1 m)
- 87 dB
- Transformer Taps, 100V
- 2, 4, 8, 16 W, bypass
- Transformer Taps, 70V
- 1 W, 2 W, 4 W, 8 W, 16 W, bypass
- Coverage, Vertical
- 140°
TRANSDUCERS
- Driver Protection
- Recommended high-pass protection 85 Hz with minimum 24-dB/octave filter
- Low-Frequency
- 1 × 2.25 in (57 mm) woofer
Order Codes
| Order Code | Description | Availability |
|---|---|---|
| 888475-1210 | AudioPack Pro S4W, white, 120V, North America | Buy Now |
| 888475-2210 | AudioPack Pro S4W, white, 230V, Europe | Get Price |
| 888475-2220 | AudioPack Pro S4W, white, 230V, UK | Get Price |
| 888475-5210 | AudioPack Pro S4W, white, 240V, Australia | Get Price |
| 892256-1210 | AudioPack Pro,S4W, 120V(NEW) | Buy Now |
| 892256-2210 | AudioPack Pro,S4W,230V EU(NEW) | Get Price |
| 892256-2220 | AudioPack Pro,S4W,230V UK(NEW) | Get Price |
| 892256-5210 | AudioPack Pro,S4W,240V AU(NEW) | Get Price |
In the Box
Specifying AudioPack Pro S4W?
A5 IT quotes complete Bose Professional systems — loudspeakers, amplifiers, processing and control — with design support and project pricing.