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Powered Sub

MartinLogan Dynamo 1600X Powered Subwoofer

MartinLogan Dynamo 1600X Powered Subwoofer Review

Jim ClementsApril 3, 2019

The MartinLogan Dynamo 1600X is the largest among five models in MartinLogan’s refreshed Dynamo powered subwoofer lineup. It is a flexible, affordable powered sub with a massive 15” driver and quite the powerful amplifier.

Hsu Research VTF-3 MK5 HP Powered Subwoofer Review

Jim ClementsOctober 12, 2015

The Hsu Research VTF-3 MK5 HP Powered Subwoofer features highly flexible tuning configurations that allow the user to dial in the sub to match the listening room and/or the listener's preferences. It features a long-throw 15” driver and a built-in 600 watt amp that can produce peaks of up to 2,000 watts short term.