This page ranks 3 compact passive subwoofers weighing under 30 lbs. Passive subwoofers require a separate amplifier or AV receiver. All subwoofers have computed CEA-2010-A scores and are ranked by them with the best at the top.
Also check out Medium Passive Subwoofers (30–75 lbs) and Large Passive Subwoofers (over 75 lbs). For powered subwoofers see Small Powered, Medium Powered, and Large Powered.
Last updated: March 17, 2026
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#1 Dayton Audio MKSX4: $130
- Notes: low profile (<8in)
- CEA-2010-A Average (40-80Hz): 106.2 dB
- Cabinet Color: black
- Country: United States
- Dimensions: 16.0”H x 5.9”W x 14.0”D (406.4 x 149.9 x 355.6 mm)
- Driver(s): (4) 4 inch
- Enclosure: ported, rear
- Measurement Source: Brent Butterworth
- Output SPL at 31.5 Hz: 78.7 dB
- Output SPL at 40 Hz: 95.4 dB
- Output SPL at 50 Hz: 106.8 dB
- Output SPL at 63 Hz: 110.3 dB
- Output SPL at 80 Hz: 112.3 dB
- Passive: Yes
- Warranty: 5
- Weight: 26.85lbs / 12.2kg
- Links
#2 ELAC IW-S10EQ in-wall
- CEA-2010-A Average (40-80Hz): 103.9 dB
- Cabinet Color: black
- Country: Germany
- Dimensions: 12.2”H x 12.2”W x 4.23”D (309.9 x 309.9 x 107.4 mm)
- Discontinued: Yes
- Driver(s): (1) 10 inch
- Enclosure: in-wall
- Measurement Source: Brent Butterworth
- Output SPL at 15 Hz: 86.0 dB
- Output SPL at 20 Hz: 90.2 dB
- Output SPL at 25 Hz: 97.3 dB
- Output SPL at 31.5 Hz: 97.9 dB
- Output SPL at 40 Hz: 100.3 dB
- Output SPL at 50 Hz: 103.0 dB
- Output SPL at 63 Hz: 104.5 dB
- Output SPL at 80 Hz: 107.9 dB
- Passive: Yes
- Warranty: 3/1
- Weight: 14.24lbs / 6.5kg
- Links
#3 BG Radia BGX-S6B
- Notes: low profile (<8in)
- CEA-2010-A Average (40-80Hz): 102.1 dB (avg of 3/4 bands)
- Dimensions: 14.0”H x 14.0”W x 3.75”D (355.6 x 355.6 x 95.2 mm)
- Discontinued: Yes
- Driver(s): (6) 4 inch
- Enclosure: in-wall
- Measurement Source: Brent Butterworth
- Output SPL at 20 Hz: 82.3 dB
- Output SPL at 25 Hz: 82.3 dB
- Output SPL at 31.5 Hz: 82.3 dB
- Output SPL at 40 Hz: 102.1 dB
- Output SPL at 50 Hz: 102.1 dB
- Output SPL at 63 Hz: 102.1 dB
- Passive: Yes
- Weight: 16.0lbs / 7.3kg
- Links
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