BASS-REFLEX
POWER
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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
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Description
VIO S218BASS REFLEX POWER The perfect partner for VIO L212 in larger sound reinforcement applications. A simple, effective dual sub configuration designed to enhance the reproduction of the lowest frequencies, boosted by an advanced DSP control and complete network capability. Technical Specifications Technical Data Speaker Type Active Bassreflex subwoofer Acoustical data Frequency Response [ 10 dB] 27 Hz (HPF) Frequency Response [ 6 dB] 28 Hz to cut
The perfect partner for VIO L212 in larger sound reinforcement applications. A simple, effective dual sub configuration designed to enhance the reproduction of the lowest frequencies, boosted by an advanced DSP control and complete network capability.
Technical
Specifications
Technical Data
Speaker Type
Active Bassreflex subwoofer
Acoustical data
Frequency Response [- 10 dB]
27 Hz (HPF)
Frequency Response [- 6 dB]
28 Hz to cut frequency (Xover dependent)
Max SPL
143 dB
LF
2x18” Neodymium
Voice Coil LF
4”
Directivity
Omnidirectional
Amplifier
Amplifier
3200 W RMS [2x 1600 W RMS Class-D Digipro® G4]
Cooling
Passive convection, internal fan
Power Supply
Full-range SMPS with PFC (100V~-240V~, 50-60Hz)
Processor
Controller
DSP 32 bit
AD/DA Converter
24 bit/96 kHz
Limiter
Peak, RMS, Thermal
Delay Option
0 - 9.9 ms internal | steps of 0.1 ms [on-board]
Crossover Frequency LF-HF
Selectable 60-110 Hz + Full Range (8 steps)
LF-Xover out slope
24 dB/Octave
Input
Signal Input
1x XLR balanced
1x USB Data Service
1x USB Data Service
Signal Output
1x XLR balanced
Network
RDNet Card (1x RJ45 IN 1x RJ45 Link)
Dante Card [Optional]
Dante Card [Optional]
Power Socket
1x PowerCON TRUE1 In
1x PowerCON TRUE1 Out
1x PowerCON TRUE1 Out
Controls
1x Input Attenuation Rotary Encoder
2x Delay Rotary Encoder (0-9.9 ms)
1x Polarity Inversion Switch (0° or 180°)
1x Cardioid mode Switch
1x X-Over Frequency Rotary Encoder (8 steps)
2x Delay Rotary Encoder (0-9.9 ms)
1x Polarity Inversion Switch (0° or 180°)
1x Cardioid mode Switch
1x X-Over Frequency Rotary Encoder (8 steps)
Special Features
NFCTM and Frontal LED Identification System
380V Resistant SMPS
IPOS Intelligent Power-On Sequence
Opto-isolated floating pre-amp
System Test (transducers diagnostics)
380V Resistant SMPS
IPOS Intelligent Power-On Sequence
Opto-isolated floating pre-amp
System Test (transducers diagnostics)
Mechanics
Housing
Multiplex plywood - Polyurea painting
Handles
4x Side. Aluminium
Raincover
Included
Rigging Points
2x Pick Points on top for DRK-210 rigging frame
Width
1300 mm (51.18 in)
Height
520 mm (20.47 in)
Depth
800 mm (31.5 in)
Weight
85.6 kg (188.72 lbs)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Effective,low dose melatonin
Purchased this product again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 3
Three Stars
Will help you sleep.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 8, 2016
★★★★★ 5
Good
The only melatonin that works for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Source Naturals Melatonin is the best!
My husband and I have been using Source Naturals Melatonin for almost 25 years. I have tried a few other brands, and I definitely think Source Naturals is the best! I once saw a program on Discovery channel about how Melatonin is an important heart antioxidant, and that after age 40 the Melatonin in our system goes way down. We had also just moved to a high altitude town, and I was having great difficulty sleeping because of the high altitude. We started taking Source Naturals Melatonin, and I was able to sleep like a baby. I really recommend the time release especially, and we also take a 1 mg sublingual lozenge to fall asleep more quickly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2017
★★★★★ 5
surprised!
I actually didn't realize I had ordered "time released" version. I thought these were just normal melatonin. But now that I've tried these, I love them so much better than the regular version! Helps me sleep better through the night. No taste, love this brand of Source Naturals.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025
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