Contact Us

QSC Corporate Office

1675 MacArthur Blvd.
Costa Mesa, CA 92626 USA

General Inquiries
Tel: +1.714.754.6175
Toll Free: +1.800.854.4079

Customer Support

Tel: +1.714.754.6161
Toll Free: +1.800.772.2834 (U.S. only)
Fax: +1.714.754.6173

Monday - Friday 7 AM to 5 PM Pacific time

Business Hours

Monday - Friday 8 AM to 5 PM Pacific time

Regional Offices


QSC San Luis Obispo
USL Product Development, Sales & Support

181 Bonetti Drive
San Luis Obispo, CA 93401
USA

+1.805.549.0161

QSC Boulder
Product Development

4888 Pearl East Circle, Suite 108
Boulder, CO 80301
USA

QSC Asia
Sales, Logistics

QSC Asia, Ltd.
Cable TV Tower, Suites 1301 & 2807A
9 Hoi Shing Road, Tsuen Wan
Hong Kong

QSC LLC - India Branch of LLC incorporated in USA

EVOMA, #14 Bhattrahalli, Suite #187,
Old Madras RD K.R. Puram,
Bangaluru - 560 049 Karnataka, India

Phone: +91 80 306 13795
Fax:      +91 80 419 03005