Bundle Includes: DC Audio Level 4 Subwoofers + DC Audio Single 15 Level 4 Ported EnclosureSave $111.00 compared to buying separately. This bundle is priced at 10% off the combined retail price of $1109.98.DC Audio Level 4 Subwoofers DC Audio Level 4 M4 Subwoofer Available Sizes: 10”, 12”, 15”, and 18”Power Handling: 1500 Watts RMS / 3000 Watts PeakVoice Coil Options: Dual 1Ω, Dual 2Ω, and Dual 4ΩXmax: 23.5mm High Performance Bass for Serious Systems The DC Audio Level 4 M4 Subwoofer is built to deliver massive low-end output with clean sound quality and extreme durability. Designed as a step up from the M3 generation, the M4 features improved sound quality (SQ), cooling, and heat dissipation, making it perfect for both daily drivers and competition builds. DC Audio Level 4 M4 Features Power: 1500W RMS / 3000W Peak 3” Hi-Temp Aluminum Voice Coil – 8 layer flat wound, on black anodized former 23.5mm Xmax for deep excursion and crushing lows 2.5mm Aluminum Shorting Ring – reduces inductance and power compression while acting as an internal heatsink Triple Stacked Motor with chrome top plate & T-yoke Triple Progressive Spiders for durability & linear control Rigid non-pressed paper cone with stitched multilayer polymer foam surround Cast aluminum black frame with rubber gasket Heavy-duty lead wires sewn to spider Chrome spring-loaded push terminals Motor boots embossed with DC Logo & LV4 branding Why Choose the DC Audio Level 4 M4? The M4’s engineering focuses on both power handling and cooling. The aluminum shorting ring reduces inductance, improves efficiency, and acts as a heatsink by drawing heat away from the coil. Direct-to-coil venting keeps airflow cycling across the windings and ring, ensuring consistent performance under heavy load. The result is hard-hitting SPL performance with reliable daily drivability. DC Audio Level 4 M4 Specifications Size Mounting Depth Hole Diameter Outside Diameter Displacement Sealed Box Ported Box 10” 6.25” 9.35” 11” 0.16 ft³ 0.75 ft³ 1.0 ft³ 12” 6.75” 11” 12.5” 0.18 ft³ 1.0 ft³ 1.5 ft³ 15” 8.0” 14” 15.7” 0.21 ft³ 2.0 ft³ 3.0 ft³ 18” 9.5” 16.75” 18.5” 0.26 ft³ 3.5 ft³ 5.5 ft³ Perfect For: Bassheads looking for powerful SPL subwoofers Daily drivers wanting hard-hitting, clean bass Competition builds requiring reliable high-performance subwoofers Order the DC Audio Level 4 M4 Today Available in 10”, 12”, 15”, and 18”, the DC Audio Level 4 M4 is one of the most versatile and reliable subwoofers in its class. Upgrade your system with a subwoofer engineered for extreme output, durability, and world-class performance. You may also like: DC Audio Level 2 SubwoofersDC Audio Single 15 Level 4 Ported EnclosureDC Audio Single Level 4 15" Custom Subwoofer Enclosure - 3.5 ft3 Ported Box Unleash deep, clean bass from your DC Audio subwoofer with this expertly crafted enclosure by Basshead Supply. Built from premium Baltic Birch and precision-tuned for 32 Hz, this custom 15" single subwoofer box is designed for maximum performance, durability, and clean aesthetics. Specifications: Net Internal Volume: 3.5 cubic feet Tuning Frequency: 32 Hz Port Area: 51.15 square inches Port Dimensions: 15.5" x 3.3" Subwoofer Cutout Diameter: 14.0" Power Handling: Rated for systems up to 1750 watts High-Strength Build & Material Quality: Material: 3/4" (18mm) Russian Baltic Birch plywood Baffle: Solid 1" (24mm) front baffle - 17-ply birch veneer for strength and tone Assembly: Zero visible screws - joined with Titebond III adhesive for seamless integrity Finish: Carbon gray stain with a protective polyurethane topcoat Wiring: Pre-wired with 10-gauge OFC speaker wire Binding Posts: Recessed satin nickel brass terminals External Dimensions: Height: 17.0" Width: 29.875" Depth: 20.0" Custom Build Timeline & Return Policy: Lead Time: 2-3 weeks from order date (built-to-order)Refunds: All Sales Final, no returns accepted. Made in the USA - Basshead Supply Branded Series This Single 15" DC Audio Level 4 custom enclosure is part of our handcrafted Branded Series, designed for bassheads who demand better than prefab. Proudly built in the United States, this enclosure offers the ideal blend of airflow, rigidity, and acoustic tuning-delivering impactful bass and superior sound control. From the seamless screwless exterior to the refined carbon gray finish, this box is more than just functional-it's built to impress. Whether for a daily driver or demo car, this custom single 15" enclosure will bring out the full potential of your DC Audio Level 4 setup.
