Electro-Voice EVF-1181S 18-Inch Front-Loaded Subwoofer | Color: White Assistive Listening Accessories The machine has ultra-fast heat

The machine has ultra-fast heat up time for a quick setup and residue-free water-based fog output

and remains flexible in hot or cold temperature environments

without suffering from coloration or distortion

the SB122 can be directly connected in parallel with a full-range speaker

Mic can be adjusted to wear on either side of the face

Electro-Voice EVF-1181S 18-Inch Front-Loaded Subwoofer | Color: White Assistive Listening Accessories The machine has ultra-fast heatThe Electro Voice EVF 1181S is a high power, front loaded bass element that can be used in a variety of applications where high quality sound reinforcement is required in a lightweight package. The EVF 1181S utilizes the EVS18SB 18 woofer used FEA optimization for motor, suspension, and electrical design for very low distortion and maximum intelligibility at high SPL levels. The EVF 1181S features make it a professional loudspeaker for any fixed