In this review, we will be comparing Black TreVoce 12 PRO and KUBE 8b, two Powered Subwoofer speakers from OSD and KEF. Being Powered subwoofers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features of OSD Black TreVoce 12 PRO and KEF KUBE 8b first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the OSD Black TreVoce 12 PRO and KEF KUBE 8b compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.
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Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.Both OSD Black TreVoce 12 PROand KEF KUBE 8b have a single woofer setup however the OSD Black TreVoce 12 PRO's woofer is 12-inch whereas the KEF KUBE 8b features a 8-inch woofer.
Frequency Response
Black TreVoce 12 PRO has a frequency range of 18-250 Hz whereas KUBE 8b has a frequency range of 34-140 Hz. With a minimum frequency of 18Hz, the Black TreVoce 12 PRO can go significantly deeper on the low side and provide stronger bass compared to the KUBE 8b's min frequency of 34Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Subwoofer class in our database.
Low Frequency
Subwoofer Speakers
High Frequency
Subwoofer Speakers
Physical Specs
Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare OSD Black TreVoce 12 PRO's and KEF KUBE 8b's external dimensions. OSD Black TreVoce 12 PRO has external dimensions of ( ) whereas KEF KUBE 8b has external dimensions of 294.0 x 296.0 x 339.0mm ( 11-9/16 x 11-5/8 x 13-5/16inch) .
KEF KUBE 8b is clearly the larger of the two speakers. Its body is 296mm wider, 294mm taller and 339mm deeper than OSD Black TreVoce 12 PRO.