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I N - W A L L S U B W O O F E R S Y S T E M
I N - W A L L S U B W O O F E R S Y S T E M
EQ Settings for Multiple Subwoofers
When installing two subs in a given room position, use the same EQ setting as described for a single sub.
The three EQ options designed to operate at 40 Hz will in practice provide the same balancing of the lowest
frequencies for the following placements of multiple subs.
EQ 1 = Two subs in front middle
EQ 2 = Two subs in front halfway to corners
EQ 3 = Two subs in front corners
EQ 1 = One sub in front One sub placed at back wall middle
EQ 2 = One sub halfway in front + One sub placed diagonally halfway at back wall
EQ 3 = One sub in front One sub placed diagonally in back wall corner
Connection of Multiple Subwoofers
The IW28S subwoofer is rated at 4 Ohms and designed only to be driven by one VA500 amplifier.
Connecting two or more VA500 amplifiers to support multiple subwoofers is easily done using the phono inputs
and outputs. Simply connect phono interconnect between amplifier 1 phono output and amplifier 2 phono input.
When linking amplifiers, use the LEFT (mono) connector.
VA500 Amplifier As Stand-Alone Unit
The VA500 amplifier is fitted with removable rack ears.
To use the amplifier as a stand-alone unit, simply unscrew the rack ears, re-insert the screws into chassis, and
mount the four shock- absorbing rubber feet.
VA500 Amplifier Special Notes
The VA500 amplifier is a dedicated sub amplifier and will not reproduce frequencies above 200 Hz.
The VA500 amplifier is equipped with auto protection circuit for overload and short circuit.
If the amplifier goes into protection mode and front LED stays RED, turn off the unit, disconnect main power
supply and wait for approximately 100 seconds. Turn on unit for continued operation.
Subwoofers and Sound Formats
M&K Sound subwoofers are designed to support 3D sound formats such as Dolby Atmos, DTS-X, and Auro-3D.
Note! See their websites for useful information on recommended speaker placement– M&K Sound speakers are
fully compatible with all current formats.
Speaker Installation
To ensure precise wall cutout for M&K Sound back-boxed speakers, use the template included in the carton.
The two-piece carton template matches the speaker’s outer dimensions, as well as a push-out section to be used
for the actual cutting.
Following the instructions 1 - 8 will result in proper and easy install of the speaker.
1. Use the overall carton template to visualize wall
position for system, before pushing out the actual
cutting template along the perforated lines.
2. Hold the “pushed out” cutting part against the wall
to mark a line for the actual cut.
3. Cut to the inside of your marked line on the wall.
4. Cutting direct on the template is not recommended.
