Looking for small, portable, bass pre-amp for headphone practice (preferably w/rechargeable battery) | TalkBass.com
Ampeg SCR-DI | Bassic.de
Sadowsky SBP-1 - Bass Preamp / DI – Musikhaus Thomann
Amazon.com: Fosi Audio Box X4 Phono Preamp with JAN 5654W Vacuum Tubes for MM Turntable Phonograph Record Player with Volume Bass Treble Control : Electronics