Electro-Voice EVF-1122D/126-PIB - Premium 12'' 2‑Way Full‑Range Loudspeaker 25-key and it's the ideal extension

and it's the ideal extension cabinet for the Rumble 500 combo

The headstock is suspended inside the case

TRS pedal input

for holding mic cable

Electro-Voice EVF-1122D/126-PIB - Premium 12'' 2‑Way Full‑Range Loudspeaker 25-key and it's the ideal extension12 inch premium two way full range loudspeaker with 90 x 40 rotatable waveguide, designed for medium field medium throw coverage pattern. High power, two way loud speaker system that can be used in a variety of applications where high quality sound reinforcement is required in a compact, lightweight package. Utilizes the DH7N, a high output 3 titanium compression driver, coupled to a Constant Directivity 90 x 40 waveguide. The DVX3121A 12 woofer was