RCA AH18100SR 18-Gauge Speaker Wire - 100ft — main product image

RCA AH18100SR 18-Gauge Speaker Wire - 100ft

RCA

RCA AH18100SR 18-Gauge Speaker Wire - 100ft

Name: RCA AH18100SR 18-Gauge Speaker Wire - 100ft
Brand: RCA
SKU: AH18100SR

★★★★★4.4 (117 reviews)

Budget-friendly 100-foot spool of 18-gauge speaker wire for connecting home audio speakers to your receiver or amplifier.

$25.21*

✓ In Stock on Amazon.com

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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The RCA AH18100SR provides 100 feet of 18-gauge speaker wire designed for connecting home audio speakers to a receiver or amplifier. The copper conductors deliver clear signal transmission for music, movies, and everyday listening. With a full 100-foot spool, you have enough wire to handle multi-speaker configurations in a living room, den, or home theater without needing to splice multiple shorter lengths together.

The wire is straightforward to work with — flexible enough to route along baseboards and behind furniture, and easy to strip with a standard wire stripper. Polarity markings help ensure correct speaker phasing across all your connections. While 18-gauge wire is best suited for runs under 50 feet per speaker at typical home audio power levels, it represents an economical choice for anyone setting up or expanding a stereo or surround sound system without investing in premium cabling.

Key Features

The Package Length of the Product is 8.128 centimeters

The Package Width of the Product is 8.128 centimeters

The Package Height of the Product is 7.874 centimeters

Country of Origin: CHINA

Specifications

Brand

RCA

Model

AH18100SR

Wire Gauge

18 AWG

Length

100 Feet

Country of Origin

China

Pros & Cons

👍 Pros

100-foot length provides enough wire for multi-speaker setups in a single purchase.
Affordable option for basic home audio and surround sound wiring.
Flexible copper construction that is easy to strip and terminate.
Compact spool stores neatly and dispenses without tangling.

👎 Cons

18-gauge is on the thinner side and may not be adequate for long individual runs exceeding 50 feet.
Not rated for in-wall installation, limiting placement options.
Bare wire ends require manual stripping and may benefit from banana plugs or spade connectors sold separately.
May not deliver the best performance for high-power subwoofer connections where thicker gauge wire is recommended.

Frequently Asked Questions

What gauge is this speaker wire and what does that mean for performance?

This is 18-gauge wire, which is suitable for speaker runs up to about 50 feet for most home audio setups. For longer individual runs or higher-power systems, a thicker (lower gauge) wire may be preferable.

Is this wire color-coded or marked for polarity?

Yes, RCA speaker wire typically features a stripe or ridge on one conductor to help you maintain consistent polarity between your amplifier and speakers.

Can I use this wire for in-wall speaker installations?

This wire is not CL2 or CL3 rated for in-wall use. It is intended for exposed or surface-run connections between speakers and receivers or amplifiers.

How many speakers can I wire with 100 feet?

That depends on the distance between your amplifier and each speaker. For a typical room with runs of 15–25 feet per speaker, you can comfortably wire two to three pairs of speakers.