About the American International S-25A
The American International S-25A noise filter helps eliminate noise that comes in through the 12-volt power line on your in-dash receiver or signal processor. Installation is simple. You have three wires to connect: one to the power line from the battery, one to the receiver's power line, and one to ground. The S-25A noise filter is recommended for audio components rated up to a total of 25 amps and 350 watts. Mounting hardware is included. Warranty: 30 days.
What's in the box:
American International S-25A owner's manual
- Noise filter (with attached 6" power/ground wires)
- 7" Plastic mounting strap
- 2 Flat head screws
- Instructions
Customer reviews for American International S-25A
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More details on the American International S-25A
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Features
Overview: This unit eliminates engine noise coming through the power source. Noise can also enter through the antenna, which is not handled by this unit but which requires an antenna noise filter. Since many vehicles have both problems they could require both this unit and an antenna noise filter.
Note: For noise entering through the antenna, you should install an Antenna Noise Filter (see item # 003AS100).
Installation: To screw mount the unit, you first remove the mounting plate from the bottom of the unit (wiring instructions appear on the unit under the mounting plate). Secure the mounting plate using the supplied screws, and snap the noise filter onto the mounting plate. To use the strap mount, you snap the mounting plate (B side out) onto the unit's bottom, insert the included tie, and secure. The filter should be kept as close to the radio as possible.
Wiring: Black wire = Ground, Blue wire = Positive, Red wire = + 12 Volt.
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Customer Q&A
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I can't complain due to the fact that I misdiagnosed the source of the noise. Turned out the radio was clean but my amp had developed a whine. Product was painless to install but can be bulky if you barely have room for the radio alone.
Ty from Hamilton OH