Monoprice Premium Select 8in 200-Watt vs PreSonus Eris Sub 8BT

Last updated: September 16, 2026

Short answer: the PreSonus Eris Sub 8BT. It ranks #8 of 48 subwoofers by sound quality at $209.99; the Monoprice Premium Select 8in 200-Watt ranks #33 and costs $224.99, so there is not much of a tradeoff to weigh.

Monoprice Premium Select 8in 200-Watt vs PreSonus Eris Sub 8BT

What the Monoprice Premium Select 8in 200-Watt offers: 8-inch ported driver still manages 106.4dB CEA-2010-A average at the lowest price of any subwoofer tested in this weight class. An easy entry point for a first subwoofer. Watch for: Very compact 8.4 kg size, limited 106.4 dB output, ported room interaction, and entry-level build.

What the PreSonus Eris Sub 8BT offers: Independent CEA-2010 testing records 77.7 dB at 20 Hz and 111.3 dB through 40-80 Hz. The ported enclosure with an 8” driver suits a small room or desktop-adjacent setup. Watch for: Warranty is a below-average 1 year. The 297.9H x 249.9W x 323.1D mm cabinet and 7.4 kg mass still need deliberate placement.

Buy the PreSonus Eris Sub 8BT. It ranks higher for sound quality than the Monoprice Premium Select 8in 200-Watt and costs less, which settles it without a real tradeoff to make.

Looking for alternatives? See the complete Subwoofers rankings.

Specifications Side By Side

Monoprice Premium Select 8in 200-Watt PreSonus Eris Sub 8BT
Price$224.99$209.99
Ranked#33 of 48 in Small Home Subwoofers (Under 30 lbs)#8 of 48 in Small Home Subwoofers (Under 30 lbs)
Enclosureported, frontported
Output SPL at 20 Hz51.3 dB77.7 dB
Output SPL at 25 Hz69.3 dB93.5 dB
Output SPL at 31.5 Hz91.8 dB99.6 dB
Output SPL at 40 Hz98.3 dB105.7 dB
Output SPL at 50 Hz104.8 dB109.4 dB
Output SPL at 63 Hz110.7 dB115.0 dB
Output SPL at 80 Hz111.8 dB115.3 dB
CEA-2010-A Average (40-80Hz)106.4 dB111.3 dB
Dimensions15"H x 10.6"W x 12.8"D (381.0 x 269.2 x 325.1 mm)11.7"H x 9.8"W x 12.7"D (297.9 x 249.9 x 323.1 mm)
Weight18.5 lbs (8.4 kg)16.3 lbs (7.4 kg)
Cabinet Colorblack-
CountryUnited States-
Measurement SourceBrent ButterworthBrent Butterworth
Drivers8" (203mm) driver8" (203mm) driver
Warranty-1

More worthwhile head-to-heads for PreSonus Eris Sub 8BT:

Prices on this page were last checked September 16, 2026 at 12:41 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Monoprice Premium Select 8in 200-Watt: $224.99 Amazon eBay

Monoprice Premium Select 8in 200-Watt ranking card

Pros: 8-inch ported driver still manages 106.4dB CEA-2010-A average at the lowest price of any subwoofer tested in this weight class. An easy entry point for a first subwoofer.

Cons: Very compact 8.4 kg size, limited 106.4 dB output, ported room interaction, and entry-level build.

Notes: Product # 14567

CEA-2010-A Average (40-80Hz)106.4 dB
Cabinet Colorblack
CountryUnited States
Dimensions15"H x 10.6"W x 12.8"D (381.0 x 269.2 x 325.1 mm)
Drivers8" (203mm) driver
Enclosureported, front
Measurement SourceBrent Butterworth
Output SPL at 20 Hz51.3 dB
Output SPL at 25 Hz69.3 dB
Output SPL at 31.5 Hz91.8 dB
Output SPL at 40 Hz98.3 dB
Output SPL at 50 Hz104.8 dB
Output SPL at 63 Hz110.7 dB
Output SPL at 80 Hz111.8 dB
Weight18.5 lbs (8.4 kg)

PreSonus Eris Sub 8BT: $209.99 Amazon eBay

PreSonus Eris Sub 8BT ranking card

Pros: Independent CEA-2010 testing records 77.7 dB at 20 Hz and 111.3 dB through 40-80 Hz. The ported enclosure with an 8” driver suits a small room or desktop-adjacent setup.

Cons: Warranty is a below-average 1 year. The 297.9H x 249.9W x 323.1D mm cabinet and 7.4 kg mass still need deliberate placement.

CEA-2010-A Average (40-80Hz)111.3 dB
Dimensions11.7"H x 9.8"W x 12.7"D (297.9 x 249.9 x 323.1 mm)
Drivers8" (203mm) driver
Enclosureported
Measurement SourceBrent Butterworth
Output SPL at 20 Hz77.7 dB
Output SPL at 25 Hz93.5 dB
Output SPL at 31.5 Hz99.6 dB
Output SPL at 40 Hz105.7 dB
Output SPL at 50 Hz109.4 dB
Output SPL at 63 Hz115.0 dB
Output SPL at 80 Hz115.3 dB
Warranty1
Weight16.3 lbs (7.4 kg)