R-40SA vs MartinLogan Motion AFX
The Motion AFX's sensitivity is 87 dB against the R-40SA's 91 dB and its impedance 4Ω against 8Ω. Both share high-frequency extension (20 kHz) and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersAtmos Speakers
Estimated price (community-sourced)
$470
Around — community and catalog average, updates slowly
About the R-40SA
The Klipsch R-40SA is a passive Dolby Atmos-enabled loudspeaker designed to sit on top of compatible floor-standing speakers for height-channel effects, or to be used as a wall-mounted surround speaker. It uses a 1-inch aluminum LTS tweeter with a 90 x 90 Tractrix horn and a 4-inch spun-copper TCP woofer in a sealed/acoustic-suspension MDF cabinet.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 80 Hz - 20 kHz
- Power Handling
- 50W
- Min. Amplifier Power
- 20W
- Max. Amplifier Power
- 50W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dynamic
- Driver Size
- 4"
- Driver Count
- 2
- Enclosure Type
- sealed
- Crossover Frequency
- 4.4 kHz
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 178 × 146 × 298 mm (W × H × D)
- Weight
- 2.8 kg (6 lbs)
- Available Colors
- black
Key Specifications
Sensitivity: 91 dB
Impedance: 8Ω
Frequency: 80-20000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions