Sierra Video 2 - 2x20 Watt RMS Powered On-Wall Speaker System (Available in White)

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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.

  • Active Loudspeaker - Stereo 2x20W amplifier and volume control.
  • Inputs - Line level stereo audio on a 3.5mm connector, stereo audio on a terminal block connector.
  • Outputs - Speaker output to passive speaker, sub-woofer, looping output for chaining to other speaker pairs.
  • Magnetically Shielded.
  • Enhanced Bass Reflex.
  • Auto Power - Shuts off when system is not in use.
  • Indoor Wall Mounting.
  • Available in Black or White.
  • Package - 3m power cord and a loudspeaker cable (in white or black) to link the active loudspeaker with the passive one.
  • Weight (Single Speaker) - Active speaker 3.57kg (7.87lbs) approx., passive speaker 2.53kg (5.58lbs) approx.

Available in White Only (USA)


INPUT: Line level stereo audio on a 3.5mm connector and terminal block connector.
OUTPUTS: 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.
SPEAKER TYPE: Two-way bass reflex, on-wall speaker.
WOOFER: 5.25” (133mm) polypropylene cone/rubber surround.
TWEETER: 0.75” (20mm) silk dome tweeter.
PASSIVE: 27mm piezo dome.
BUILT-IN POWER AMPLIFIER: 2x20W RMS in active speaker.
CONTROL: Volume control.
UNIVERSAL POWER SUPPLY: 115 or 220V AC (selectable).
MATERIALS: Frame, grill and brackets steel; housing ABS.
INSTALLATION CLEARANCE: Front panel to wall (including mounting bracket): 20cm;
back panel to wall (including mounting bracket): 3cm.
DIMENSIONS: 17cm x 19cm x 23.6cm (6.7” x 7.5” x 9.3”) W, D, H.
WEIGHT: Active speaker 3.57kg (7.87lbs) approx; passive speaker 2.53kg (5.58lbs) approx.
ACCESSORIES: 2 mounting brackets (fixed and rotating), 3m power cord and a loudspeaker cable.


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