The Sbooster Ultra MKII is designed as an additional upgrade for SBooster's BOTW P&P ECO MKI and MKII power supplies. The Sbooster Ultra MKII has to be connected directly to the Sbooster split-current module of the BOTW P&P ECO....more
“…everything I've listened to through this combo with the Linear Power Supply in place has sounded better, quieter, more dynamic, more transparent, more musical.” - Tom Gibbs, Positive Feedback Online USA...more