The B12SP50 speaker cable bridges the gap between consumer and pro audio setups, connecting amplifiers with banana plug binding posts to speakers with Speakon inputs. This 50-foot cable is built for musicians, venues, and sound engineers who need reliable connections across longer distances without signal degradation.

Heavy-duty 12 AWG conductors deliver clean power transfer for high-wattage applications, while the shielded PVC jacket protects against interference and physical wear. The dual-conductor design ensures proper signal integrity for both passive speakers and powered monitors in demanding live sound environments.

At 50 feet, this cable provides the reach needed for stage setups, installed sound systems, and mobile DJ rigs where the amplifier rack sits far from the speakers. The professional-grade Speakon connector locks securely into compatible speakers, while gold-plated banana plugs ensure solid contact with amplifier binding posts. This gauge handles substantial power loads without voltage drop, making it suitable for main PA speakers, floor monitors, and subwoofer connections.

Use this cable to connect rack-mounted power amplifiers to stage monitors, link mixing board amp outputs to front-of-house speakers, or run power from amplifier heads to speaker cabinets in rehearsal spaces and small to mid-size venues. The 50-foot length works well for venues up to 200-person capacity where equipment positioning flexibility matters.

Simply plug the banana connectors into your amplifier's red and black binding posts, then lock the Speakon end into your speaker. Seismic Audio backs this cable with a one-year warranty and ships from our warehouse for fast delivery.

Technical Specifications

Frequently Asked Questions

What amplifiers and speakers work with this banana to Speakon cable?

This cable connects any amplifier with banana plug binding posts (red/black terminals) to speakers with Speakon inputs. Common applications include rack-mounted power amps feeding powered PA speakers, guitar amp heads connecting to extension cabinets, and studio monitor amplifiers linking to near-field speakers. The banana end fits standard 4mm binding posts found on most consumer and pro amplifiers.

How much power can this 12 gauge cable handle safely?

The 12 AWG conductors handle high-power applications without voltage drop or heat buildup. This gauge supports amplifiers delivering several hundred watts to 8-ohm loads over the 50-foot run. The heavy-duty construction makes it suitable for main PA speakers, subwoofers, and high-output studio monitors where clean power transfer is critical.

What size venues work best with this 50-foot speaker cable?

This cable length works well for small to medium venues up to 200-person capacity, including churches, clubs, school auditoriums, and outdoor stages. The 50-foot reach allows flexible equipment placement with amplifier racks positioned away from speakers for better cable management and reduced stage clutter.

Will this cable work with my existing PA system setup?

If your amplifier has banana plug binding posts and your speakers have Speakon inputs, this cable provides the connection you need. Many powered speakers and passive PA cabinets use Speakon inputs because they lock securely and handle high current safely. Check your equipment manuals to confirm connector types before ordering.

How does the shielded design benefit my sound system?

The shielded PVC construction protects against electromagnetic interference from lighting systems, wireless equipment, and other electronic devices common in live sound environments. This shielding maintains clean signal transfer and reduces the chance of noise or hum in your audio, particularly important in venues with complex electrical setups or RF-heavy environments.

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer. For more information, go to: www.P65Warnings.ca.gov