| Type | Subwoofer |
| Frequency Response(Preset) | 25Hz-200Hz |
| Amplifier Recommend | VDA18 / C18 / C15 |
| Preset | [VS28_60/C] [VS28_100/C] |
| Horizontal | 360° |
| Drivers | LF:2×18" 115mm voice coil Neodymium |
| Handling Power (RMS) | LF：1600W |
| Maximum Peak SPL | 143dB/1m |
| Nominal Impedance | LF:4Ω |
| Connections | 2 x NL4 SpeakOn |
| Pin Connections | NL4=LF:+1-1 |
| Heigh Front | 550mm |
| Heigh Back | 550mm |
| Width | 1200mm |
| Depth | 800mm |
| Weight | 92kg / 203lbs |
| Rigging and Handling | |
| Handle | 4 ergonomic handles |
| Antiskid | 10 ground runners |
| Fastener | 2 side fastener |
| Physical Data | |
| Material | Baltic Birch Plywood |
| Finish | Dark grey |
| Front | Polyester powder-coated steel grill |
| Rigging | Aluminum |
| Protection rating | IP55 |
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VS28/VS221-Bump | Suitable for VS28/VS221 enclosures, with extend Bar,Max 16 VS28 / 12 VS221 |
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U-shaped shackle | 3.25t 5/8 U-shaped shackles connect to Bump-Bar |
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Spanset | 2T/2m spanset used for connect shackles, used for front and rear |
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VS28/VS221-Trolley | The trolley can accommodate 4 stacked VS28/VS221 enclosures, combined with a hanging rigging system |
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2 VS28-Cover | Cover for 2x VS28 enclosures stacked on VS28 Trolley |
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3 VS28-Cover | Cover for 3x VS28 enclosures stacked on VS28 Trolley |
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4 VS28-Cover | Cover for 4x VS28 enclosures stacked on VS28 Trolley |
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VS28 Touring Flight Case | Accommodate 1 VS28 Dimensions（W x H x D）：1260 x 755 x 850mm |
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VS28/VS221 Rigging-Cover | 8 VS28/VS221（4.8m）length |
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VDA18-Rack | 9U rack mounted with 3 VDA18 amplifiers, Qanon Audio V-panel Signal panel and V-PowerII distribution |
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VDA18-Rack1 | 3U rack mounted with 1 VDA18 amplifiers, and 1 SCN Signal panel |
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C18-Rack | 9U rack mounted with 3 C18amplifiers、1 DF36 Audio Processor, Qanon Audio DS3 Three-Phase Power distribution |
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2-Pin 2*4㎡ NL4 Speaker Cables | 1、2Pin-NL4-15（15meter） 2、2Pin-NL4-25（25meter） |
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8-Pin 8*4㎡ PA-COM Speaker Cables | 1、PA-COM-0.7（0.7meter） 2、PA-COM-10（10meter） 3、PA-COM-15（15meter） 4、PA-COM-25（25meter） |
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8-Pin PA-COM Male without locking to 4ch NL4（ch1、ch2、ch3、ch4）Wiring：+1-1 | 5meter / 4ch |
