LS 400 vs MartinLogan Outdoor Sat 40
The Outdoor Sat 40's sensitivity is 83 dB against the LS 400's 76 dB, its impedance 8Ω against 32Ω, and its high-frequency extension 20 kHz against 21 kHz. Both share woofer (4").
AI-generated product photo — not official manufacturer imagery.
LoudspeakersOutdoor Speakers
Estimated price (community-sourced)
$599
Around — community and catalog average, updates slowly
About the LS 400
The Definitive Technology LS-400 are premium outdoor landscape speakers designed for immersive audio in any weather. Sold as a pair, they feature a 3/4-inch aluminum oxide dome tweeter and 4-inch mineral-filled polypropylene woofer, delivering clear highs and detailed mids with a frequency response of 135-21,000 Hz (-3dB). With 32-ohm impedance and 76 dB sensitivity, they support daisy-chaining up to 4 pairs per channel and pair ideally with LS-80 or LS-100 subwoofers for fuller sound. The rigid mineral-filled enclosure is IP56-rated for durability against rain, snow, and dirt, blending seamlessly into landscapes. Timbre-matched with other Dymension speakers for consistent sound across indoor/outdoor setups. Easy ground installation with alignment indicator for precise aiming.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 76 dB SPL @ 1W/1m
- Impedance
- 32Ω
- Frequency Response
- 135 Hz - 21 kHz
- Min. Amplifier Power
- 15W
- Max. Amplifier Power
- 60W
Speaker Design
Driver configuration and enclosure design
- Driver Size
- 4"
- Driver Count
- 2
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 146 × 189 × 498 mm (W × H × D)
- Weight
- 2.1 kg (5 lbs)
Key Specifications
Sensitivity: 76 dB
Impedance: 32Ω
Frequency: 135-21000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions