Phone service will close today from 12 p.m.

New - Pay for your purchases in 10 installments with Alma*

✅ En stock
Auto-Connect  |  SKU: L1TA531

L1TA531 - 54 mm² to 20 mm² Input Reducer Adapter

€9.90
Tax included Shipping calculated at checkout.

pre-order*

Enjoy 5% off all pre-order products.

The discount is automatically applied to your cart.

The announced delivery times are given as an indication and expressed in working days.

They may be extended in case of supplier holidays, carrier delays, or unfavorable weather conditions.

We make every effort to keep you informed and ensure the delivery of your order as quickly as possible.

If you have any questions, please contact us via the website chat or consult our General Terms and Conditions of Sale, available at the bottom of the page.

The Sound Auto Concept Team

Order Tracking

To track your order, we invite you to use the Chat available at the bottom right of the store ➡️⬇️

If you have any questions regarding your order, our team will respond to you as soon as possible 🙂

Free delivery from €49*

We offer several delivery options to meet your needs.

Shipments offered from €49 are made via a relay point.

If you prefer home delivery, a surcharge may apply when ordering.

For shipments outside France, please refer to our "Deliveries and Returns" section for more information.

Please do not hesitate to contact us for more details!

Advisory Service

Our team is at your disposal by telephone at 09.85.13.66.35 or the Chat box to help you select the products that suit you best 💡😉

We can help you create a cart directly via live chat if you are unsure about your choice. Our team will be happy to offer you their technical expertise 💪🙂

Description

Highlights

  • 54 mm² (0 AWG) to 20 mm² (4 AWG) input reducer
  • Made from 100% brass for optimal conductivity and durability
  • Red and black grommets included for quick polarity identification
  • Protective anti-corrosion plating
  • Crimp-free installation — direct cable insertion, screw tightening
  • Laser-engraved Auto-Connect logo

Description

The L1TA531 is an input reducer adapter designed to connect large gauge power cables (54 mm² / 0 AWG) to a smaller input terminal (20 mm² / 4 AWG). Ideal for high-power amplifiers where the input does not match the required cable gauge, it helps maintain optimal current flow and prevent voltage drops that degrade audio performance.

  • Direct connection without additional terminals
  • Prevents voltage drops in the audio installation
  • Allows the amplifier to operate at full power without loss
  • Compact and neat design with laser engraving

Technical specifications

Reference L1TA531
EAN / GTIN 7394409028950
Type Input reducer adapter
Input cross-section 54 mm² / 0 AWG
Output cross-section 20 mm² / 4 AWG
Material 100% brass with protective plating
Accessories included Red and black grommets
Weight 0.04 kg
Packaging dimensions (L × H × D) 3.5 × 8.5 × 2.0 cm
Unit Piece

Why choose it?

  • Simple and quick solution for adapting cable gauge to your amp's input
  • Solid brass for maximum conductivity and long lifespan
  • No crimping necessary — saves installation time
  • Prevents voltage drops and protects your audio equipment
  • Available from Sound Auto Concept, your car audio specialist.

Very popular at the moment
Many people are looking at this product right now.

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Bancontact
  • BLIK
  • Cartes Bancaires
  • EPS
  • Mastercard
  • MobilePay
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store your credit card details and do not have access to your credit card information.

Auto-Connect

L1TA531 - 54 mm² to 20 mm² Input Reducer Adapter

€9.90

Highlights

Description

The L1TA531 is an input reducer adapter designed to connect large gauge power cables (54 mm² / 0 AWG) to a smaller input terminal (20 mm² / 4 AWG). Ideal for high-power amplifiers where the input does not match the required cable gauge, it helps maintain optimal current flow and prevent voltage drops that degrade audio performance.

Technical specifications

Reference L1TA531
EAN / GTIN 7394409028950
Type Input reducer adapter
Input cross-section 54 mm² / 0 AWG
Output cross-section 20 mm² / 4 AWG
Material 100% brass with protective plating
Accessories included Red and black grommets
Weight 0.04 kg
Packaging dimensions (L × H × D) 3.5 × 8.5 × 2.0 cm
Unit Piece

Why choose it?

View product