🛒 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 PA1-2400.4 Premium Pro 4-Channel Amplifier
The MB Quart PA1-2400.4 Premium Pro is a 4-channel amplifier for upgraded speakers, coaxials, component systems, and high-output full-range builds. It is a good fit for customers who need more speaker output with a system plan that includes wiring, crossover setup, and tuning.
Open box closeout: condition, packaging, included accessories, cosmetic details, and availability should be confirmed before purchase.
This amplifier should be matched to the speaker layout, impedance, wiring size, mounting location, crossover strategy, battery support, and whether DSP tuning is part of the build.
Good Fit For
- Open box 4-channel speaker amplifier upgrades
- Door speakers, rear speakers, coaxials, and component systems
- Jeep, motorcycle, powersports, and custom speaker builds
- Systems needing proper wiring and tuning support
Plan the Full System
- Shop MB Quart
- Shop Car Audio Amplifiers
- Shop Speakers
- DSP Tuning Services
- Battery and Electrical Upgrade Planning
Need help with this open box MB Quart amplifier? SMS Car Audio can help confirm condition and match the amplifier, speakers, wiring, electrical support, and tuning plan 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