About 3 Trademarks found that are owned by Krell Industries Llc

residential and professional audio components and accessories; namely, digital-to-analog signal processors, analog-to-digital signal processors, compact disc turntables and players, digital switching networks, preamplifiers, amplifiers, frequency dividing network, speaker cables, and remote controls

Residential and professional audio and home theater components and accessories, namely, stereo receivers, stereo amplifiers, stereo tuners, Electronic docking stations and stands, specially designed for holding portable and handheld digital electronic devices, and battery chargers, electrical connectors, wires, cables, and wired and wireless remote controls for portable and handheld digital electronic devices

Audio speakers; Stereo cables