QM600S Workhorse Subwoofer

The QM600S is a passive 15" sub bass equally at home permanently installed or on the road for live touring use. The QM600S is suitable for mid to high sound pressure level bass and sub bass as a stand-alone unit, as part of a block, or in combination with the QM350i as part of a multi-way system.

This solid bass system is tuned low for electronic music or projecting a solid "kick" into any space. The practical design and features makes it convenient to install in space sensitive venues also. With an impressive 128dB Max SPL, the QM600S is a professional solution for anyone requiring a versatile and hard working sub bass.

Quest QM600S

Wooden Body, Steel Faced

The QM600S chassis is made of the same heavy duty birch ply wood as our high performance and industry trusted HPI systems. Finished with an extremely resilient black coating and fitted with a wrap-around heavy gauge protective steel grille, the QM600S has been crafted to endure even the most demanding environments and is built to last.


Power Me Up

The QM600S outputs a lot of power for it's size. Quest Engineering recommends an amplifier capable of delivering 600-900W (8ohm) to ensure full performance. The perfect solution are Quest's QM1000P, QA-1004, QA2004, QA3004 or the new QX4500

QA2004 Power Amplifier. Top


Frequency Response: 40 - 80/200 Hz
Max SPL@1m: 127dB
Sub Amplifier Power: 650-W
Sub-Woofer: 1x 15"
Connections: 2x XLR In. 2x XLR Out.
Dimensions (WxHxD): 450mm x 535mm x 635mm
Weight: 37kg

Contact Quest

Phone: +61 (0) 3 8373 6868

Address: 130 -140 Melrose Dr, Tullamarine VIC 3043 Australia

Postal: P.O. Box 1071 Tullamarine VIC 3043 Australia

Find Your Local Distributor

Feel free to get in touch with your nearest distributor. We’re always happy to hear from people interested in our products and we’re always ready to help you with your next project. You can find your nearest Quest distributor on the map below.

Contact Form

For general enquiries email Quest Directly using the enquiry form below.