C2G 25ft (7.6m) Bulk 18 AWG Speaker Wire, Plenum CMP-Rated

Overview

The C2G 40534 is a 25-foot speaker wire designed for professional and residential audio installations that require compliance with strict fire safety codes. Featuring 18 AWG stranded copper conductors, this cable delivers clear, full-range sound while maintaining flexibility for easy routing around corners. Its CMP plenum rating allows safe installation in walls, ceilings, and air-handling spaces without the need for additional conduit, making it a practical choice for classrooms, meeting rooms, retail spaces, and offices.

Key features

• Stranded 18 AWG copper conductors provide both flexibility and reliable signal transmission for consistent audio quality.
• CMP plenum-rated jacket meets fire safety standards, enabling installation in air-handling spaces without extra conduit or protective tubing.
• Red and black insulation on individual conductors simplifies polarity identification, reducing installation errors.
• Printed footage markers along the cable length allow installers to measure and cut precise runs, minimizing waste and saving time.
• 25-foot length is ideal for short to medium speaker runs, covering common layouts without excess slack.

Key specs

• Length: 25 feet (7.6 meters)
• Conductor gauge: 18 AWG stranded copper
• Strand count: 7 strands of 26 AWG wire per conductor
• Jacket rating: CMP plenum-rated for in-wall and air-return installation
• Conductor insulation: Red and black for polarity identification

Connectivity and compatibility

This speaker wire is compatible with a wide range of audio equipment, including rack-mounted amplifiers and ceiling or wall-mounted speakers. Its flexible stranded copper conductors ensure easy routing through tight spaces and around corners, while the plenum rating guarantees safe use in commercial and residential buildings that require fire code compliance.

Ideal uses and environments

The 40534 cable is well suited to environments where safety and neat installation are priorities, such as classrooms, conference rooms, retail stores, and office spaces. It works well for background music systems, public address setups, and any audio installation requiring short to medium cable runs within plenum spaces. Its design supports both professional AV contractors and facilities managers looking for a straightforward, code-compliant wiring solution.