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Authorized dealer · Car Audio Bargain
Competition walls, SPL builds and extreme daily systems need amplifiers that can deliver thousands of watts into low-impedance subwoofer loads. This 4,500W+ collection includes Crossfire BMF 8k, BMF 12K, BMF-15k and XT-6K amps, Sundown Audio SALT-6, SALT-8, SALT-12, SIA-5000D, SIA-8000D and TEAM-10K models, and the Audio Apex CAB-45v2.
At this level the amp is only as strong as the power behind it. Builds commonly run one or more high-output alternators, a bank of AGM or lithium batteries, and multiple runs of heavy power and ground wire to keep voltage up under load. SuperBank ultra capacitors can help steady voltage during short, hard bass hits. Measure voltage at the amp terminals while playing, because voltage lost in the wiring is output you never hear.
Competition amps are often designed around very low loads, but each model has its own minimum. Decide how many subs you will run and how the coils will be wired, then choose an amp whose chart covers that exact load. Running below the rated minimum invites protection shutdowns or failure.
Thousands of watts means a lot of heat. Mount the amp solidly with clear airflow across the heatsink, and plan for fans or a vented rack if the system will see long demos or burps.
Use an oscilloscope or clamp meter with test tones to set gain, set the subsonic filter for your box tuning, and build up power gradually while watching voltage and temperature.
For loud systems that do not need competition power, compare the 3,500W to 4,400W monoblock amplifiers or every monoblock amp. The rest of the lineup is in amplifiers. A 4,500W+ amp rewards careful planning with output that only a serious build can use.
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Shop Pay Installments: Rates from 0-36% APR. Payment options through Shop Pay Installments are subject to an eligibility check and are provided by these lending partners: affirm.com/lenders. Options depend on your purchase amount, and a down payment may be required. Snap: The advertised service is a lease-to-own agreement provided by Snap RTO LLC. Lease-to-own financing is not available to residents of Minnesota, New Jersey, and Wisconsin. ¹ Not all applicants are approved. While no credit history is required, Snap obtains information from consumer reporting agencies in connection with submitted applications, and your score with those agencies may be affected. Sezzle: Issued by WebBank or Sezzle. See loan agreement for details. Refurbished items are not eligible for financing or leasing.
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