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Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Line level stereo audio on a 3.5mm connector and terminal block connector
1 speaker (to connect to the external passive speaker), 1 active sub-woofer on a 3.5mm connector, 1 looping output on a 3.5mm connector
Two-way bass reflex, on-wall speaker
5.25" (133mm) polypropylene cone/rubber surround
0.75" (20mm) silk dome tweeter
27mm (1.06 in) piezo dome
45Hz to 20kHz
8 ohm
85dB-SPL @1W, 1m
2x20W RMS in active speaker
Volume control
115 or 220V AC (selectable)
Frame, grill and brackets steel; housing ABS
Front panel to wall (including mounting bracket): 20cm
back panel to wall (including mounting bracket): 3cm
17cm x 19cm x 23.6cm (6.7" x 7.5" x 9.3")
Active speaker 3.57kg (7.87lbs) approx; passive speaker 2.53kg (5.58lbs) approx.

The SPK-OCA508 is a powered two-way speaker system designed for indoor wall mounting. The system accepts a line level stereo input and amplifies it using a built-in amplifier and outputs a speaker signal to the passive speaker.