Oz Audio 300H 12" Sub Pair, IB Ready


Acoustics Engineer
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Premium Member
May 1, 2007
Quad Cities, IL
Item(s) for Sale:

Pair of Oz Audio 300H 12" subwoofers. Made specifically for IB installations.

Item(s) Description/Condition:

I am looking for a new home for my Oz Audio 300H pair. purchased BNIB in 2010. I repaired the surround on one due to being stored for 10 years. Details of that process are here:

OZ Audio 300H vs 300L - IB? - DIYMA Car Audio Forum

They have been used in my trunk baffle install since then (off an Xtant 3300c) with no issues. Music only, no SPL uses. They sound fantastic. They are for someone who wants good SQ bass in an IB installation.

Link above has good images from when I got them, they are in the same condition as then. Asking $250 shipped for both in original boxes.


$250 shipped CONUS. They are worth $125 ea.

Trades are always considered (full or partial).

- Alpine headunits (CDA-79** series) or processors.

- Home audio - receivers with HDMI switching or speakers

- Speakers (raw drivers, 6.5's or 4's)

- Amplifiers - 4 channel or 2 channel, good manufacturers

can't hurt to ask.

cash will likely go towards a compound bow.

Shipping and Miscellaneous Item Information:

Will be packaged in original boxes, then boxed again. Shipped via UPS

These are in perfect cosmetic condition. Perfect mechanical condition.

Item Pictures:

recent images of them installed are on my build log. Grills not included.