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If you're searching for an affordable, powerful way to upgrade your vehicle's sound system, the MTX TN300.4 car amplifier is an excellent choice. Designed for daily drivers and audio enthusiasts alike, this 4-channel amplifier brings crisp sound, reliable power, and installation flexibility—all while maintaining an impressive value.
Part of the MTX THUNDER series, the TN300.4 delivers a total of 300 watts RMS, providing clean, distortion-free sound for your car speakers or component system. Whether you’re replacing a factory amp or building a custom audio setup, the TN3004 ensures an immediate sound improvement.
Get clean, reliable sound with the MTX TN3004 4-channel car amplifier. 300W RMS power, compact design, and perfect for mids, highs, or small subs. Ideal for full system upgrades with adjustable filters, bridgeable channels, and durable construction. Great for custom or factory setups.
The MTX TN300.4 provides:
75 watts RMS x 4 @ 2 ohms
55 watts RMS x 4 @ 4 ohms
150 watts RMS x 2 bridged @ 4 ohms
Its Class A/B design is known for producing warm, clean audio that enhances vocals, instrumentals, and bass tones. This makes it ideal for mids and highs or bridged to power small subwoofers.
You can use the TN300.4 to amplify front and rear full-range speakers, run a 3-way front stage with tweeters and mids, or bridge it into a powerful 2-channel amplifier for subwoofers.
Need more options? Browse our full collection of car amplifiers to find the perfect match for your sound system.
The TN300.4 isn’t just about power. It’s also about control. MTX gives you the tools to tune your system for optimal sound.
Key Features:
Variable high-pass and low-pass filters (40Hz–400Hz)
Switched bass boost (0dB or +12dB at 45Hz)
Independent gain controls per channel pair
Bridging capabilities for flexibility
With this level of adjustability, you can customize how your music sounds—whether you like crisp highs, deep lows, or a perfect balance in between.
Don’t be fooled by the TN300.4’s compact size. Its heavy-duty aluminum chassis provides excellent heat dissipation and long-lasting durability. The sleek design also makes it easy to install in tight spaces like under seats, behind panels, or in your trunk.
MTX includes advanced protection circuitry against thermal overloads, short circuits, and DC offset, giving you peace of mind.
At Audio Jam, we don’t just sell great gear—we install it, too. Our expert installers can professionally fit the MTX TN300.4 in your vehicle. We offer custom wiring, tuning, and troubleshooting to ensure your new car amplifier delivers peak performance.
While you’re at our shop, consider upgrading your ride with window tinting. Tinted windows protect your speakers and amplifier from UV rays and help regulate your vehicle’s interior temperature.
☀️ Visit our partner site Window Tint Delaware for more info on vehicle tinting solutions.
📍 Visit Audio Jam in Bear, DE
Address: 227 Governor Place, Bear, DE 19701
Phone: 302-832-2868
Hours: Monday–Saturday, 10 AM–6 PM
Whether you’re doing a full audio build or just adding a car amplifier, we’re here to help.
Q1: Can the MTX TN300.4 power a subwoofer?
A: Yes. When bridged, it delivers 150 watts x 2, perfect for small or mid-size subwoofers in custom installs.
Q2: Is this car amplifier compatible with factory head units?
A: Yes. With high-level inputs, you can connect the TN3004 to most factory radios without needing a separate converter.
Q3: Do I need professional installation for this amp?
A: While DIY is possible, professional installation ensures correct wiring, grounding, and tuning—plus, it protects your gear from damage.
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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I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Good product
I did receive my package in only a few days which was great. I have opened it and it is the complete kit. Hopefully when I have it installed it works as expected. If so it will have been a great shopping experience with, Audio Jam.
Shipping to took to long a week late
It didn’t work and no instructions included
