Atrium 8 SDI vs Focal 100 OD6
The 100 OD6's sensitivity is 87 dB against the Atrium 8 SDI's 91 dB. Both share impedance (8Ω), woofer (6.5"), and ways (2).
AI-generated product photo — not official manufacturer imagery.
LoudspeakersOutdoor Speakers
Estimated price (community-sourced)
$299
Around — community and catalog average, updates slowly
About the Atrium 8 SDI
The Polk Audio Atrium 8 SDI is a high-performance indoor/outdoor loudspeaker engineered for durability and audio excellence. It features a 6.5" dynamic balance polypropylene woofer with dual voice coil design and dual 1" anodized aluminum dome tweeters with neodymium magnets. The speaker exceeds industrial and military specifications (ASTM D5894-UV Salt Fog, Mil-Std 810, Mil-Std 883) for environmental endurance, with UV-stable paint, moisture-resistant PowerPort bass venting, and stainless-steel hardware. The innovative single/dual input switch allows operation as a standalone stereo module or as part of a traditional left/right stereo pair. It includes a 180° Speed-Lock mounting system with adjustable bracket for horizontal or vertical orientation. Ideal for decks, patios, poolside areas, and indoor hi-fi setups, the Atrium 8 SDI delivers clear highs, deep bass extension, and wide dispersion for large outdoor spaces.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 91 dB SPL @ 1W/1m
- Impedance
- 8Ω
- Frequency Response
- 45 Hz - 27 kHz
- Power Handling
- 125W
- Min. Amplifier Power
- 10W
- Max. Amplifier Power
- 125W
Speaker Design
Driver configuration and enclosure design
- Configuration
- 2-way
- Driver Type
- dynamic
- Driver Size
- 6.5"
- Driver Count
- 3
- Enclosure Type
- sealed
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 216 × 327 × 234 mm (W × H × D)
- Weight
- 4.4 kg (10 lbs)
Key Specifications
Sensitivity: 91 dB
Impedance: 8Ω
Frequency: 45-27000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions