Work great, Low Price
Worked perfectly to adapt my old line level input subwoofer to a newer receiver. and with 2 in the package for the price, they can't be beat. Read more

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Rated 4.3/5 across 38 reviews — well received overall.
Customer summary is not available yet.
Worked perfectly to adapt my old line level input subwoofer to a newer receiver. and with 2 in the package for the price, they can't be beat. Read more
Stellar item for the price. These flawlessly filter out the sub channel and direct it appropriately to your amplified subwoofer. It breathes new life into a 2.0 Channel amp effectively allowing for 2.1 audio. Default settings on the device adequately translated the subwoofer frequencies, flawlessly. Read more
Quality Read more
It is a simple audio isolator. Two 47 ohm 1/4 watt resistor in series act as a shunt across the speaker +/- of radio. Each transformer isolates the input voltage and output voltage. The variable resistor works like a volume control of RCA output. It designs to handle line voltage between 1-2 volt. Isolator reduces noise and hum. Most of audio RCA has low impedance while speaker has high output impedance. High to low impedance converter ( line output converter ) match works only the transparent wire to positive of speaker and the red strip wire goes to negative. It never means to handle high power of car AB amplifier output. Read more
The right side connect doesn't work even after I played with the adjustability of impendence but seeing as how I got 2 of them the second worked good one of the simplust ways to connect rca to a factory ster Read more
Gets the job done Read more
If you're adding a sub with an amp to a stock radio this is a must have they work perfect excellent deal Read more
Very good product recieve fast Read more
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