Allegro Music - Check out this TC Electronics Spectra Drive bass preamp pedal. This one pedal/DI box has Tubedrive with Toneprint, Spectra Compression with Toneprint, built in EQ, and many many more
tc electronic BQ500 Bass Head – Thomann Switzerland
TC Electronic SpectraDrive Review - Premier Guitar
tc electronic Spectradrive Bass Preamp mit OVP u. Netzteil in Niedersachsen - Hagen am Teutoburger Wald | Musikinstrumente und Zubehör gebraucht kaufen | eBay Kleinanzeigen
TC Electronic THRUST BQ250 Portable 250 Watt Bass Head with Mosfet Preamp and Push Compressor : Amazon.de: Musical Instruments & DJ
TC Electronic SpectraDrive Review - Premier Guitar