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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
Note for Practical Information!
When using electric tool for screw mounting, adjust tension to prevent the dog screws being overly tightened.
It is further recommended to use moderate or low speed when tightening the dog screws.
If removal of speaker is needed for service, make sure to turn out front dog screws slowly until they “feel resist-
ant” -
At this point, the mounting clamps should be turned back in neutral position, and the speaker is ready to be
pulled out from the wall cut.
5. Connect the speaker to cables in the wall, and place
cabinet into the wall cut.
6. Turn the Torx screws on the front clockwise to acti-
vate the mounting clamps.
7. Check if speaker is perfect aligned.
8. Mount and align the grill, - and your install is done!
IW28S In-Wall Subwoofer
Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Ohm
Bass Drivers . . . . . . . . . . . . . . . . . . . . 2 x 8” paper pulp
Frequency Response . . . . . . . . . . . 28 Hz – 200 Hz, ± 3dB
Sensitivity (drive signal 100mVolt VA500 amp) . 88 dB/1m
Grille Dimensions (HxW) . 24.48 x 12.44”, 622 x 312 mm
Baffle Dimensions (HxW) 24.25 x 12.04”, 616 x 306 mm
Wall Cutout (HxW) . . . . . . 22.84 x10.62”, 580 x 270 mm
Mounting Depth . . . . . . . . . . . . . . . . . . . . .3.74”, 95 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . 11 kg / 24,2 lbs.
VA500 Subwoofer Amplifier
Continuous Output Power . . . . . . 500W/4 Ohm, Class D
Peak Output Power . . . . . . . . . . . . . . . . . . . 800W/4 Ohm
System Preamp . . . . . . . . . . . . . . . . . . . . . . . . . . . Analog
Line-Level Connections Phono In, Phono Passthrough Out
Speaker Connections . . . . . . . . . . . . 5-way binding posts
Controls: . . . . . . . . . . . . . . . . . . Volume, Phase, Crossover
EQ Switch . . . . . . . . . . . . . . 3-Position Room Adaptation:
1. For one sub placed away from corners
2. For one sub placed near a corner
3. For one or two subs placed in corner(s)
Input Voltage . . . 100-240 VAC (switchable), Auto On/Off
Dimensions (WxHxD) . . . . . . . . . . . . 16.88 x 1.74 x 8.81“
Dimensions (WxHxD) . . . . . . . . . . . . 429 x 44,4 x 224 mm
Dimensions (WxHxD) Rack size . . . . . . . 19 x 1.74 x 8.81“
Dimensions (WxHxD) Rack size . . . . 483 x 44,4 x 224 mm
Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 kg / 8,8 lbs.
