Neutrik Male 4 pole panel mount recepatacle locking speaker connector, 50 amp, all black metal

Neutrik Male 4 pole panel mount recepatacle locking speaker connector, 50 amp, all metal NLT4MP Neutrik Female 4 pole in-line locking speaker connector, weather proof, 50 amp, all black metal NLT4FX-BAG Neutrik Female 4 pole in-line locking speaker connector, weather proof, 50 amp, all metal NLT4FX Female 4 pole panel mount locking speaker connector, 50 amp, all black metal NLT4FPXX-BAG Neutrik Female 4 pole panel mount locking speaker connector, 50 amp, all metal NLT4FPXX