Radial Engineering Radial Bassbone OD Bass preamp, 2 ch w/overdrive, FX loop, built-in DI & headphone amp. Part of our AV Components range (microphones & conferencing), supplied through AV Distribution, an authorised South African distributor for professional audio, video and staging equipment. Available to order -- contact us for lead time. Contact our team if you need help confirming compatibility with your existing setup.