• OPEN BOX: Rubber Gromit slightly pulled out. No Bag, Tested and everything works as it should, small scratches. No Returns Excepted.
• Perfect for setting system levels, checking crossovers, and verifying connections
• Versatile Tone Generator & Speaker Polarity Tester
• Adjustable 0-8V output with a 13Hz - 10,000Hz range
• RCA and alligator clip connections included

9V Speaker Polarity Tester and Tone Generator / RCA Tester

In perfect working condition

Has been mounted

Small scratches

Box has been opened (see pic #2)

Rubber Gromit was slightly pulled out. No Bag, tested, and everything works as it should (see Pic#3)

Open-box items are not subject to returns. They are sold "As Is". All requests for returns will not be accepted.

This listing includes:

• (1) BJ-68 Speaker Polarity / Tone Generator and RCA Tester


• (1) 9-Volt battery

The BJ-68 by Big Jeff Audio is your go-to tool for safely troubleshooting and fine-tuning car and home audio systems. Designed for both professionals and enthusiasts, this compact yet powerful device allows you to set system levels, check crossover points, and verify connections with ease. Equipped with a variable tone generator ranging from 13Hz to 10,000Hz and an adjustable output of 0-8V, the BJ-68 ensures precise audio system calibration. The built-in 9V speaker popper allows for quick, visual speaker polarity testing, helping you confirm proper wiring in seconds. Connections are simple with the included RCA cables and alligator clips, making it easy to integrate into any setup. Plus, the rotary control knobs provide effortless adjustments to tone and level, giving you full control over your testing process. The auto shut-off feature extends battery life, so you can work longer without interruptions.

Key Features:

• Versatile Tone Generator & Speaker Polarity Tester


• Adjustable 0-8V output with a 13Hz - 10,000Hz range


• Perfect for setting system levels, checking crossovers, and verifying connections


• 9V speaker popper for quick polarity testing


• RCA and alligator clip connections included


• Compact, handheld design for easy use


• Rotary control knobs for precise tone and level adjustments


• Auto shut-off to extend battery life

Measurements:

• RCA Cable Length: 7.5"


• Alligator Clip Cable Length: 6.5"


• Overall Length: 4.25"


• Overall Width: 2.90"


• Overall Height: 1.00"


• Weight: 0.4 Lbs