See all parts that fit your 2003 B3000
400W 4-Channel Class A/B High Fidelity Q Series Car Amplifier
• RMS: 75W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• 200W x 2 Channel @ 4 Ohm Bridged
• Fixed Bass Boost
• Variable Low Pass Filters
• Optically Isolate MOSFET Power Supply
• 3 Way System Protection Circuitry
• RMS: 75W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• 200W x 2 Channel @ 4 Ohm Bridged
• Fixed Bass Boost
• Variable Low Pass Filters
• Optically Isolate MOSFET Power Supply
• 3 Way System Protection Circuitry
The Q450.4 Q series amplifier from Image Dynamics is the perfect amplifier if you are looking to power up your brand new after market speakers. This amp is rated at 75W RMS x 4 Chan. @ 4ohms, 100W RMS x 4 Chan. @ 2ohms and 200W RMS x 2 Chan. @ 4ohms bridged. The amplifier utilizes the best electronics to produce the up-most quality and reliability. The Q450.4 features a 4, 3, and 2 channel operation making it versatile and capable of powering up a pair of speaker and a single sub within the allotted power output. The amplifier is also equipped with a band pass crossover and variable low-pass filter for finer tuning of your car audio system's frequencies. A 3-way system protection circuitry and soft start feature allow for complete protection of the amplifier but also of your devices. With its high end components and impressive features this amplifier is sure to produce a premium detailed musical performance.
2 Infinity REF507CF (INFSPKRF507CFUS) w/ Adapter Plates
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600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers
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Manufacturer:
Model Number:
Q450.4
Weight:
10.00lbs
Internal SKU:
q4504
Internal Product ID:
22193
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Great Amplifier
I purchased this amplifier to swap with a Rockford Fosgate "T" series amplifier. Night and day difference. The Amplifier produces a very crisp clean signal. Clamped number per channel are as follows for my setup:
Ch.1 and 2 - 84w @ 3.6ohm - Midbass drivers
Ch. 3 and 4 - 82w @ 3.8ohm - Tweeters
So therefore the amplifier is slightly under rated. Using the on board crossover features the amplifier is running four midbass drivers and 4 tweeters. Very detailed midbass from 50hz and up unlike the rockford which lacked anything and had distortion below 120hz. With small amounts of amperage draw at high volumes this amplifier is a great factory add on. It looks very sleek as well.
My only con would be it has close to no heat sync fins to help with cooling. With that said mount this amplifier with ample airflow!
22 found this helpful
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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:
Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.
