S4 vs X4
The X4 matches the S4 on sensitivity (91 dB), impedance (4Ω), low-frequency extension (28 Hz), and high-frequency extension (20 kHz).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersFloorstanding Speakers
Estimated price (community-sourced)
$5,900
Around — community and catalog average, updates slowly
About the S4
The Spatial Audio Lab S4 is a high-end passive floorstanding loudspeaker sold in black, white, and graphite finishes. Spatial Audio Lab lists it in its speakers store at $5,900, alongside the company’s other speaker models.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 4Ω
- Frequency Response
- 28 Hz - 20 kHz
- Power Handling
- 200W
- Min. Amplifier Power
- 20W
- Max. Amplifier Power
- 200W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dipolar radiator / open-baffle
- Driver Size
- 12"
- Driver Count
- 2
- Enclosure Type
- open_baffle
- Crossover Frequency
- 750 Hz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 431.8 × 1181 × 406.4 mm (W × H × D)
- Weight
- 43.09 kg (95 lbs)
- Available Colors
- Black, White, Graphite
Key Specifications
Sensitivity: 91 dB
Impedance: 4Ω
Frequency: 28-20000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions