The SR300EDX is a 34-inch scale, 24-fret four-string bass. It pairs an Okoume body with a five-piece maple and walnut neck and a jatoba fretboard with white dot inlays. The neck is 38 mm wide at the nut and 62 mm at the 24th fret, on a 305 mm radius.

Two PowerSpan Dual Coil passive pickups feed the Ibanez Custom Electronics 3-band EQ. A three-way Power Tap switch changes the pickup mode: tapped (single-coil), series (humbucking), or power tap, which keeps single-coil clarity and adds low end. Treble, mid and bass cut/boost knobs give roughly ±15 dB at their peak frequencies, with a volume knob and a pickup balancer alongside.

The bridge is an Accu-cast B500 with adjustable saddles, allowing string spacing to be varied by ±1.5 mm from the 19 mm default. Hardware is gold. The bass ships strung with D'Addario EXL165 strings (.045–.105) in G-D-A-E tuning. The maker lists the MB300C case and IBB540-BK bag as recommended accessories.