American Bass Monster Bass Bundle — 2x XMAXXX Monster 15" Subwoofer + VFL REBEL-8000.1 Amplifier

Two 15" monsters, one flagship amp. The Monster Bass Bundle pairs two American Bass XMAXXX Monster 15" subwoofers with the VFL REBEL-8000.1 monoblock amplifier — the top of the Big Bass lineup. This is a competition-capable driver built for SPL demo vehicles, paired with the biggest amp in the REBEL line. What's In This Bundle QTY Component SKU Key Spec 2× American Bass XMAXXX Monster 15" Subwoofer XMAXXX-1522 4,000W RMS each | Dual 2 Ohm Voice Coil | 4" Voice Coil 1× VFL REBEL-8000.1 Amplifier REBEL-8000.1 4,300W @ 2 Ohm | Class D Monoblock System Specifications Sub Configuration Dual 15", coils wired in series (4Ω/sub), subs wired parallel to amp (2Ω final) Sub RMS Each 4,000W RMS Sub RMS Combined 8,000W RMS Amplifier Max Power 4,300W @ 2 Ohm (Class D Monoblock) Amp Min Impedance 1 Ohm Stable Recommended Enclosure Ported, 3.824 ft³ per sub (not included) Required Wire Gauge 4/0 Gauge (sold separately) You'll Also Need — Pre-Matched Add-Ons Wire kit and battery are not included and sold separately. Pre-matched to your REBEL-8000.1: 4/0 Gauge Amplifier Wire KitMatched to the REBEL-8000.1 running at 2 Ohm final. ABLT-80 Lithium Titanate Battery (80Ah)Rated for 800A continuous discharge — matched to keep voltage stable under sustained, high-output bass demand. Installation Notes Enclosure not included. Recommended: ported enclosure, 3.824 ft³ per sub. Wire each sub's coils in series, then both subs in parallel to the amp for a 2 Ohm final load. This is a high-power system — verify your vehicle's charging system and grounding before install. All components ship separately from their respective warehouse locations.