Sundown SA-12 v.3 12” Subwoofer Package with Dual Ported Box – 3,000W RMS System
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Sundown SA-12 v.3 12” Subwoofer Package with Dual Ported Box – 3,000W RMS System
Turn-key bass package featuring a pair of Sundown Audio SA-12 v.3 12" subwoofers loaded in a precision-tuned dual ported Baltic Birch enclosure by Basshead Supply. Designed for daily musicality with serious output, this bundle is optimized around a 33 Hz tuning for deep, clean, and punchy bass that hits hard without sacrificing sound quality.
What’s Included
- (2) Sundown Audio SA-12 v.3 12" Subwoofers (your choice: Dual 2Ω or Dual 4Ω)
- (1) Dual 12" Ported Enclosure – handcrafted from Baltic Birch, tuned to 33 Hz, pre-wired with 10-ga OFC
- Recessed satin-nickel binding posts and a screwless, show-ready finish
Subwoofers: Sundown Audio SA-12 v.3 (Pair)
- Power Handling (each): 1,500W RMS / 3,000W Peak (bundle total: 3,000W RMS)
- Voice Coils: Dual 2Ω or Dual 4Ω
- Linear X-Max: ~22 mm one-way (increased over v.2); X-mech ~41 mm one-way
- Cooling & Structure: Vented magnetic gap, solid pole with internal vent channels, aluminum 2.75" former
- Motor Design: Large magnet shorting ring (Faraday) + pole cap Faraday ring; locked-in ring retained by T-yoke
- Frame/Soft Parts: Custom-tooled aluminum frame (same as U v.2), taller cone + wider spiders for stability, competition-grade paper cone, strong foam surround
- Reliability: High-temp copper voice coil wire, stitched-on double “XL” tinsel leads, spring-loaded terminals
- Engineering: Fully 3D FEA-optimized spider packs for enhanced linearity and low distortion
Enclosure: Dual 12" Ported (Basshead Supply – Branded Series)
Expertly engineered to unleash the full potential of the SA-12 v.3 pair with strong output and excellent cone control.
Performance Specifications
- Net Internal Volume: 3.5 ft³
- Tuning Frequency: 33 Hz (musical and powerful low-end)
- Port Area: 50.625 in²
- Port Dimensions: 13.5" × 3.875"
- Sub Cutout Diameter (each): 11.01"
- System Power Compatibility: Up to ~4,000W RMS (2,000W RMS per side)
Build & Finish
- Material: 3/4" (18 mm) Russian Baltic Birch plywood
- Front Baffle: Solid 1" (24 mm) – 17-ply birch veneer for maximum strength
- Bracing: Center-mounted 3/4" internal baffle brace
- Assembly: Screwless exterior; bonded with Titebond III for seamless integrity
- Finish: Carbon gray stain with protective polyurethane topcoat
- Wiring: Pre-wired with 10-ga OFC speaker wire
- Terminals: Recessed satin-nickel brass binding posts
External Dimensions
- Height: 15"
- Width: 33.75"
- Depth: 20"
System Matching & Wiring Tips
- Dual 2Ω subs (pair): Wire to 2Ω or 0.5Ω final (amplifier dependent).
- Dual 4Ω subs (pair): Wire to 4Ω or 1Ω final (most common for monoblock amps).
- Amp Recommendation: Quality monoblock rated for 2,500–3,500W RMS @ target impedance with proper electrical upgrades.
Proudly designed and built in the USA. Part of the Basshead Supply Branded Series – made for enthusiasts who demand better than prefab.
Why This Bundle
- Matched components for proven performance and reliability
- Show-ready screwless exterior and carbon gray finish
- Deep extension, strong mid-bass, and low distortion from 33 Hz tuning + SA-v3 motor tech
Order now to give your system a rugged, stylish, and SPL-capable foundation—ready to install and built to impress.
