I was using these to get a B15 sound for my no amp bass gigs. It worked really well but I moved onto a Helix Stomp and EBS valve drive for increased tonal/effect options. All prices include postage
Chase Audio Secret Preamp
£125
In good condition, (small chip on the bottom edge) with original box, instructions, and business card. EP based preamp, the EQ switch adds so much
If you need anymore info let me know
can do PayPal or Bank Transfer I’m based in Newcastle so can meet up in the NE and I’ll knock the postage off the price