Dual 18'' Pro Box Subwoofer SRX728S
| Frequency Response (±3 dB) | 33 Hz - 220 Hz |
| Sensitivity (1w/1m) | 98 dB SPL |
| Long-term SPL | 130dB |
| Maximum SPL | 136 dB |
| Nominal Impedance | 4 ohms |
| Power rated | 1600 watts |
| Peak Power handling | 3200 watts |
| Nominal Dispersion | N/A |
| Dimensions (H x W x D) | 610 mm x 1067 mm x 838 mm |
| Enclosure Material | 18mm birch plywood |
| Surface Finished | black catalyzed polyurethane paint |
| Grille | 1.8mm black perforated steel framed |
| Net weight | 102kg |
| Low Frequency Driver | 2×18 inch Neodymium driver, 5" voice coil |
| Input Connectors | Neutrik NL4MPX2 |
Guangzhou Calm Audio Electronic Co., Ltd Is Devote Ourselves to Researching, Manufacturing, Marketing and Serving of Professional Electro-Acoustic Products Since From 2007. Now, All Our Products Are Past The 3c, CE Certifications. We Have Been Self-Developed Patent, The Electronic and Electro-Acoustic Products Are Recognized by The Market, and Provide OEM and ODM Services to Many Domestic and Foreign Audio Brands. The Good Quality Products Are Depend on The Professional and Scientific Management. Ultimately, There Is a Professional R&D Team in Our Company, Consistent Adherence to Rigorous Design Style and Exquisite Craftsmanship, All The Products Are Through The Complete QC Procedures Just Wanna Give The First-Class Products and Services for Domestic and Foreign Customers.
Our Company'S Factory Is Located in Guangzhou. At Present, Our Products Are Not Only Popular in China'S Major Areas, But Also Europe, Asia. Australia. Calm Audio Electronic Co., Ltd Is Attaches Great Importance to Product Quality and Market Demands. We Will Continue to Deliver The Most Advanced Eletro-Acoustic Technology Information to Our Customers and Manufacture The More Welcoming Audio Products.
Calm Audio'S Brands Include Calm, Djg, AAA, 92, Queen and F• Audio. Some of Them Have Been Widely Used in Large Stadiums, Stage, Venues, Conference Rooms, Hotels and Other Large-Scale Sound Reinforcement System, All These Are Loved by The Users.
Our Company'S Purpose Is to Building a Century Enterprise. Virtue, Responsibility, Pursuit, Honest, Enterprising and Innovation Are Throughout The Company'S Operating Management.
