The JVX is the X series equivalent of the JV. That means it has the "X" series preamp, which IMO does more for bass than for guitar with the improved headroom and extended lows and highs. My favorites are the PX/JX and the TWX and CSX.
Clement Bass Member #100
Clement #255; Clement #274; Clement #318; PDN Honey Roasted Bongo 5 HS
Boss GT-100; 3Leaf Pwnzor; Darkglass B3K; TC Hall of Fame Reverb Buy my Bongo!