ساب ووفر پسیو جی بی ال JBL STX818S

Features:

• 18 in. Super Vented Gap™ woofer for extended low-frequency output.
• Large port area for reduced distortion.
• 20 mm threaded pole socket for solid, secure satellite speaker mounting.
• Rugged DuraFlex™ coated enclosures sized to be truck pack friendly.
• 14-Gauge steel grille lined with acoustically transparent cloth.