🛒 Product Conditions
🔥 Closeout / Clearance: Final markdowns to clear out inventory — once it’s gone, it won’t be restocked.
🔄 Used: Pre-owned items, fully functional, with minor wear. Sold “as is” with no warranties.
📦 Open Box: Like-new, opened only for display or photography. Inspected, discounted, and ready to ship.
🔧 B-Stock: Factory refurbished or tested units that may show small imperfections or lack original packaging.
⚠️ Final Sale — No returns or exchanges on these items.
Description
Open Box MB Quart PA1-5000.1 Premium Pro Monoblock Amplifier
The MB Quart PA1-5000.1 Premium Pro is a monoblock amplifier for subwoofer systems that need strong bass output, proper electrical support, and clean installation planning. It is a good fit for larger bass systems, custom enclosures, and builds where the subwoofer stage needs to be planned correctly.
Open box closeout: condition, packaging, included accessories, cosmetic details, and availability should be confirmed before purchase.
This amplifier should be matched to the subwoofer load, enclosure design, power wiring, ground path, battery support, charging system, and tuning plan before installation.
Good Fit For
- Open box high-output monoblock amplifier upgrades
- Custom bass systems and larger daily-driver builds
- Truck, trunk, and built-to-order enclosure systems
- Systems needing upgraded wiring and electrical support
Plan the Full Bass System
- Shop MB Quart
- Shop Car Audio Amplifiers
- Shop Subwoofers
- Shop Built-to-Order Enclosures
- Battery and Electrical Upgrade Planning
Need help with this open box MB Quart bass amp? SMS Car Audio can help confirm condition and match the amplifier, subwoofers, enclosure, wiring, and electrical support before you buy.
💬 Contact SMS Car Audio
Get quick answers on condition, fitment, or availability.
📞 Call (504) 289-8127 💬 Text (504) 289-8127 ✉️ Email al@smscaraudio.com 📍 Get Directions