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QS Series amplifiers are all about efficient design capable of full-range frequency response at a great price!
The QS400.4 features a regulated power supply that is able to constantly deliver power and provides an unsurpassed efficiency rate of 8090% in a small aluminum heatsink.
Channels | 4 Channel |
Rated RMS Power at 14.0 V at 2 Ohm | 4x 100 Watts |
Rated RMS Power at 14.0 V at 4 Ohm | 4x 70 Watts |
Bridged Rated RMS Power at 14.0 V at 4 Ohm | 2x 200 Watts |
The QS series is our most recent line of full bridge high wattage amplifiers. You can count on these amplifiers to deliver incredible value for your money. QS Series 4 Channel amplifiers, also are available on QS800.4 and QS1200.4
Its wide frequency response allows you to use it in many different applications, such as subwoofers, midbass, midrange, full range speakers, phenolic drivers, titanium drivers, and super tweeters, among others. This versatile amplifier is the perfect solution for daily car audio systems.
Its small heatsink offers high fidelity sound, with precise midbass punch and crystal clear highs. This amplifier is perfect for anyone who wants to experience maximum sound quality and power at an affordable price.
This proprietary heat dissipation design will ensure its temperature to run cool on the most demanding playlists.
Before Installing:
You must follow the instructions for the products installation to guarantee optimal performance. If you have any questions, get in touch with us. Before using the amplifier, always follow these guidelines:
Make sure the amplifier is switched off before adding or removing any connections. This prevents possible damage to equipment.
Keep all cables as far away as possible from the ignition cables, electronic injection modules and starter switch since they may cause noise interference;
Always use 100% Copper wire and good quality connectors. This guarantees reliability and performance.
To avoid damaging the cables, make sure that they do not touch sharp metal edges. Important: For this amp use a 25A fuse 12 inches away from the battery as a safety precaution
The power rating data is based on equipment from the PRV Audio Group laboratory. Rated power tested with 100Hz to 1KHz sinusoidal signal and THD <= 1%, with resistant load referri...
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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