JTR Speakers Orbit Shifter LFU vs Monoprice Monolith 16 THX Ultra

Last updated: August 9, 2026

Short answer: the JTR Speakers Orbit Shifter LFU for the higher ranking, the Monoprice Monolith 16 THX Ultra for the lower price. The JTR Speakers Orbit Shifter LFU ranks #2 of 97 subwoofers at $6995. The Monoprice Monolith 16 THX Ultra ranks #13 at $2300, $4695 cheaper.

The case for the Monoprice Monolith 16 THX Ultra: 16-inch ported driver and THX Ultra certification deliver 126.5dB CEA-2010-A average at a fraction of the price of the subwoofers ranked. The tradeoff: Heavy at 78 kg and ported design can interact with room acoustics.

Buy the JTR Speakers Orbit Shifter LFU if the ranking matters more than the price. Buy the Monoprice Monolith 16 THX Ultra if the price matters more than the ranking.

Specifications Side By Side

JTR Speakers Orbit Shifter LFU Monoprice Monolith 16 THX Ultra
Price$6995$2,300
Ranked#2 of 97 in Large Powered Home Subwoofers (Over 75 lbs)#13 of 97 in Large Powered Home Subwoofers (Over 75 lbs)
Enclosureported, frontported, front
Output SPL at 12.5 Hz96.5 dB-
Output SPL at 15 Hz104.5 dB107.3 dB
Output SPL at 20 Hz118.6 dB118.4 dB
Output SPL at 25 Hz125.5 dB123.3 dB
Output SPL at 31.5 Hz128.0 dB125.1 dB
Output SPL at 40 Hz131.1 dB126.3 dB
Output SPL at 50 Hz132.1 dB126.5 dB
Output SPL at 63 Hz134.4 dB126.6 dB
Output SPL at 80 Hz137.8 dB126.8 dB
Output SPL at 100 Hz139.7 dB127.2 dB
Output SPL at 125 Hz138.0 dB127.6 dB
CEA-2010-A Average (40-80Hz)133.8 dB126.5 dB
Dimensions22.5"H x 50.0"W x 36.0"D (571.5 x 1270.0 x 914.4 mm)25.6"H x 22.0"W x 28.1"D (650.2 x 558.8 x 713.7 mm)
CountryUnited StatesUnited States
Measurement SourceData-bassAudioholics
Weight177 lbs / 80.3 kg171.5 lbs / 77.8 kg
Drivers18" (457mm) driver16" (406mm) driver
Warranty-5
Cabinet Color-black

The Two Speakers In Full

JTR Speakers Orbit Shifter LFU: $6995

JTR Speakers Orbit Shifter LFU ranking card

CEA-2010-A Average (40-80Hz)133.8 dB
CountryUnited States
Dimensions22.5"H x 50.0"W x 36.0"D (571.5 x 1270.0 x 914.4 mm)
Drivers18" (457mm) driver
Enclosureported, front
Measurement SourceData-bass
Output SPL at 12.5 Hz96.5 dB
Output SPL at 15 Hz104.5 dB
Output SPL at 20 Hz118.6 dB
Output SPL at 25 Hz125.5 dB
Output SPL at 31.5 Hz128.0 dB
Output SPL at 40 Hz131.1 dB
Output SPL at 50 Hz132.1 dB
Output SPL at 63 Hz134.4 dB
Output SPL at 80 Hz137.8 dB
Output SPL at 100 Hz139.7 dB
Output SPL at 125 Hz138.0 dB
Weight177 lbs / 80.3 kg

Monoprice Monolith 16 THX Ultra: $2,300

Monoprice Monolith 16 THX Ultra ranking card

Pros: 16-inch ported driver and THX Ultra certification deliver 126.5dB CEA-2010-A average at a fraction of the price of the subwoofers ranked above it.

Cons: Heavy at 78 kg and ported design can interact with room acoustics.

Notes: Product # 42031

CEA-2010-A Average (40-80Hz)126.5 dB
Cabinet Colorblack
CountryUnited States
Dimensions25.6"H x 22.0"W x 28.1"D (650.2 x 558.8 x 713.7 mm)
Drivers16" (406mm) driver
Enclosureported, front
Measurement SourceAudioholics
Output SPL at 15 Hz107.3 dB
Output SPL at 20 Hz118.4 dB
Output SPL at 25 Hz123.3 dB
Output SPL at 31.5 Hz125.1 dB
Output SPL at 40 Hz126.3 dB
Output SPL at 50 Hz126.5 dB
Output SPL at 63 Hz126.6 dB
Output SPL at 80 Hz126.8 dB
Output SPL at 100 Hz127.2 dB
Output SPL at 125 Hz127.6 dB
Warranty5
Weight171.5 lbs / 77.8 kg

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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.