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Audio Apex · Car Audio Bargain's own line
Audio Apex amplifiers keep the lineup focused, with two monoblocks and one 5-channel covering most bass and full-system builds. The CAB-22 is rated at 2,200 watts RMS, the CAB-45v2 at 4,500 watts RMS and the CAB-M165 5-channel at 1,600 watts RMS, all from Audio Apex, Car Audio Bargain's own amplifier line.
The CAB-22 suits street systems built around one or two serious subwoofers. Plan your enclosure and voice coil wiring first, then confirm the amp's rating at the final impedance you will run. It sits in the 1,500W to 2,400W monoblock range, where a solid wiring kit and a healthy battery go a long way.
The CAB-45v2 steps up to multi-sub walls and loud daily builds. At 4,500 watts RMS it draws a large amount of current, so most installs pair it with heavy power and ground wire, an upgraded alternator or added batteries, and a fuse near the battery sized to the manual.
The CAB-M165 runs four speakers and a subwoofer from one chassis, which keeps the install compact and leaves a single gain structure to tune. It is a strong fit for trucks and daily drivers where space is limited; compare other 5-channel amplifiers if you want to see different power levels.
Start with the gain at minimum and the crossovers set: a low-pass on the sub channel or monoblock, high-pass filters on the speaker channels, and the subsonic filter matched to a ported box. Then raise gain with test tones and a meter or oscilloscope until you reach a clean level. The CAB Remote Bass Knob Control lets you trim sub level from the driver's seat afterward without touching the gain.
Choose subwoofers whose impedance options let you land on a load the amp is rated for, and feed it with an amp wiring kit matched to its current draw and the length of the run. Mount the amp on a solid surface with room around the heatsink, keep RCA cables away from power wire, and ground it to bare metal with a short run. For other brands and channel counts, browse all amplifiers. Audio Apex amplifiers make it easy to pick a model by the job: one for bass, one for bigger bass, and one for the whole system.
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Pay later with SezzleFlexible payment options
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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