The Metra HE-SL3912 39.5" Single Row Slimline Light Bar is a high-quality, slimlight design light bar featuring 30 LED lights with a color temperature of 6000K. The black housing color gives it a sleek and modern look while the LED lighting technology ensures bright and durable illumination. This light bar, manufactured by METRA, is a perfect accessory for enhancing visibility and safety on the road for car and truck owners.

SpecsConstructionOperation

Welcome to Triple A Max Audio! We aim to make your online shopping experience smooth and hassle-free. Please review our policy below before completing your purchase.


Store Policy on Order Processing & Warranty Information:

To ensure a smooth and secure experience for both parties, I currently only process orders from buyers with an established feedback history. Accounts with little to no feedback may have their orders canceled. I understand that everyone has to start somewhere, but I hope you can appreciate the need for this policy to maintain trust and security.

Any orders placed by accounts with insufficient feedback will be canceled, and all payments will be fully refunded without delay.


Warranty on Discontinued Products:

Please note that discontinued products are sold as-is and do not come with a warranty. Due to the age of these models and the fact that they are no longer in production, I cannot offer support or replacements.


Post-Purchase Assurance:

After your purchase, I will send you photos of the item both inside and outside the box, along with the serial number, through eBay messages. This is to provide full transparency and assure both parties of the security and condition of the product.

Thank you for your understanding and cooperation.


1. Condition of Items

  • All items listed in our store are brand new, unless stated otherwise in the product description.
  • Please review product descriptions carefully to understand item details before purchasing.


2. Payment Terms
  • All payments are due at the time of purchase via eBay's platform.
  • Taxes, shipping charges, and any additional fees will be displayed during checkout.


3. No Returns Policy

  • All Sales Are Final: We do not accept returns, exchanges, or refunds. Please ensure you review the product details carefully before purchasing.
  • Exceptions will only be made if the item is received damaged or does not match the listing description.


4. Order Cancellation

  • Orders can only be canceled prior to shipping. If you need to cancel, please submit a request via eBay immediately. Cancellation requests after shipping may not be honored.


5. Shipping

  • Full payment is required before shipping. We do not offer Cash on Delivery (COD) for eBay purchases.
  • Tracking information will be provided after shipping.


  Important Notes:

Items must be returned in original condition, unused, with all original packaging and accessories.

 Failed or Refused Deliveries:


If the package is refused, undeliverable, or not accepted by the buyer, it will be returned to us. In such cases, a 15% restocking fee and all shipping charges (both ways) will be deducted from the refund.

 Original shipping costs are non-refundable

Return shipping costs are the buyer's responsibility, unless otherwise agreed. If the item is returned used, missing parts, or damaged, we reserve the right to deduct additional charges based on loss in value. 

Please inspect your package upon delivery. If an item arrives damaged or not as described, contact us within 48 hours so we can resolve the issue promptly.


Message us through our eBay Store for any questions.


Authorized Sales Agent & Store Operator Disclosure

Triple A Max Audio is the authorized sales agent for third-party suppliers represented in this eBay store. We do not manufacture, import, or physically handle the items listed. Product specifications are provided by external sources. Buyers are responsible for verifying legality, safety, and compliance in their jurisdiction. We disclaim all warranties and liability related to product origin, performance, or use. VeRO/IP disputes should be directed to the rights holder.

This disclosure applies to all listings unless otherwise noted.


🔊 Car Audio System & Speakers FAQ

Q: What are the best car audio brands for sound quality?
A: Focal, Mosconi, JL Audio, Hertz, and AudioControl are known for high-fidelity sound quality. They offer superior component speakers, DSPs, and amplifiers tailored for audiophile-grade performance.

Q: Should I use coaxial or component speakers?
A: Coaxial speakers (like those from Sony, Pioneer, and Kenwood) are easier to install and work well for factory upgrades. Component speakers (like Focal, Morel, and Hertz) provide better imaging and clarity because tweeters are separate.

Q: Which speakers are best for crisp vocals and instrumentals?
A: Focal Utopia and Morel Elate Titanium series are fantastic for detail retrieval?they use premium silk dome tweeters and high-end woofers to deliver crystal-clear mids and highs.

Q: What?s the difference between silk dome and metal tweeters?
A: Silk dome tweeters (used by Focal, Morel, and AudioControl) provide a smooth, natural sound, perfect for classical and vocal clarity. Metal tweeters (like those from Rockford Fosgate and JBL) emphasize sharp detail and brightness?great for rock and EDM.


? Subwoofers & Bass FAQ

Q: Which subwoofers are best for deep, clean bass?
A: JL Audio W7, Rockford Fosgate T1, Kicker Solo-Baric L7, and Hertz Mille subs are top choices for powerful, deep bass without distortion.

Q: Should I use a sealed or ported subwoofer box?
A: Sealed boxes provide tight, controlled bass, while ported boxes deliver louder, more resonant low-end frequencies. If you want SQ (sound quality), go sealed. If you want SPL (maximum loudness), go ported.

Q: What?s the best way to wire subwoofers for maximum power?
A: Dual voice coil (DVC) subs allow for flexible wiring, letting you optimize impedance matching with your amp. Rockford Fosgate and JL Audio offer amps with great support for DVC configurations.

?? Amplifiers & DSP Tuning FAQ

Q: What?s the best amplifier for clean power?
A: Mosconi, AudioControl, JL Audio, and Rockford Fosgate make some of the most efficient, high-power amps that deliver low distortion and clear sound reproduction.

Q: What is a DSP, and do I need one?
A: A DSP (Digital Signal Processor) allows precise tuning for your system, adjusting frequencies, time alignment, and EQ settings. Brands like Mosconi, AudioControl, Helix, and Alpine provide top-tier DSPs for perfect sound customization.

Q: How do I prevent distortion in my car audio system?
A: Ensure that your gain settings are correctly adjusted, use high-quality RCA cables, and invest in a DSP to refine the signal output.

? Installation & Wiring FAQ

Q: What gauge power wire should I use for my amp?
A: Use 0 AWG for high-powered systems (1500W+), 4 AWG for mid-range setups, and 8 AWG for smaller amps. Brands like Stinger, Metra, and KnuKonceptz offer oxygen-free copper wiring for maximum conductivity.

Q: How do I prevent alternator whine in my speakers?
A: Use proper grounding, ensure RCA cables are shielded, and check for ground loop interference. PAC and AudioControl offer noise filters to eliminate unwanted electrical noise.

Q: Should I upgrade my alternator for a high-power system?
A: If your system exceeds 2000W RMS, upgrading to a high-output alternator will prevent voltage drops. Brands like Mechman and Singer Alternators offer great solutions.