Proton model 301 - BI-AMPLIFIED SPEAKER - excellent sound, good amplifier

For Sale:  High end two way bi amplified powered speaker.

Excellent sound quality. No distortion or hum and can get pretty loud. Drivers are both in mint or near mint condition. Firm surrounds on the woofer, cone has no rips or tears or holes or voice coil rub.  Good level control and good tweeter level control. Extra long RCA interconnect cables. 

Grill fabric has some wear, not bad, see photos.

This is a HEAVY speaker...

Email me for higher resolution and/or additional photos.

Contact me for ship estimate - should be between around $9.99 and $16.99 if you in the lower 48 US states. (Feb. 2026).