SUB 808-AS is a compact low-profile high-performance active subwoofer.
Read moreAt a glance
All specifications- Frequency response
- 40 Hz to 400 Hz
- Weight
- 20 kg
- Max SPL @ 1m
- 129 dB
- Woofer
- 2 x 8'' neo, 2.5'' v.c
- Input signal
- bal/unbal
- Input connectors
- XLR, RDNet Ethercon
Overview
SUB 808-AS is a compact low-profile high-performance active subwoofer. It features two vented-loaded 8” cone woofers powered by a 2000 Watts two-channel amplifier -one for each woofer- on a baltic birch plywood cabinet painted with black or white polyurea and weatherproof treatment. Management and tuning are available via RDNet software. The cabinet features rubber feet on two sides and two threaded pole-mounts for horizontal and vertical placement. Two stabilizing brackets make the vertical placement stable and firm. SUB 808-AS can be used stand-alone, in subwoofer arrays, or as the low-frequency complement for KX 515-A speaker.
Highlights
- 129 dB max SPL
- 40 Hz to 400 Hz frequency range
- 2 x 8’’ neodymium woofers, 2.5’’ v.c.
- 2000 W Class-D Amplifier
- RDNet Networked Management
- Bass Motion Control excursion management
- powerCON TRUE1 TOP mains connectors
- Available in full black or white coating
About RCF
RCF’s passion for perfection drives the design of every product to create enlightening, unique, and delightful experiences for our customers. All speakers and components are designed from the ground up and developed internally to maximize the end result. Our extensive catalog covers all aspects of the audio chain and meets the needs of musicians, sound engineers, rental companies, architects, and system integrators. Whatever your audio requirement is, we have the right solution.
All RCF productsFeatures
4
Advanced electronics
The high-powered Class-D amplifiers, tailored for each transducer, deploy pristine sound with efficient heat dissipation at the lowest possible distortion, along with low power consumption. High-end AD/DA conversion up to 96 kHz - 32-bit floating-point, and onboard DSP for the best sound quality. Thanks to the proprietary RDNet networked management and control, every KX speaker provides in-depth remote monitoring through multiple sensors. The system engineer has immediate feedback of transducer status, fan speed, temperature, VU meters, limiters and much more.

Legendary woofers
RCF subwoofers are the first choice of many sound engineers, thanks to the very high SPL levels at very low frequencies, smaller dimensions compared to others in its category. Self-powered design, RDNet remote control, easy configuration of subwoofer arrays (i.e. cardioid subs), and impressive size/weight to SPL output ratio create an engaging, immersive experience for any audience.
Tour Ready Construction
Attached to a solid machined aluminum structure on the rear panel, the amplifier ensures efficient heat dissipation. The enclosure is internally reinforced and sturdy, equipped with waterproof powerCON® TRUE1 TOP mains connectors, guaranteeing durability under any outdoor conditions.
Bass Motion Control
When searching for an extended bass with enhanced performance, RCF engineers found a way to remove the high-pass filter, replacing it with a forward-thinking approach. Introducing BMC (Bass Motion Control), the newly advanced woofer excursion management feature. The speaker equipped with BMC can handle the lowest audible frequencies without affecting the woofer stability, with extended linearity and better sound integrity. The BMC method works by creating a complete map of the dynamic behavior of the woofer, to generate a custom algorithm that only limits over-excursions. This gives total freedom of signal reproduction to the transducer. When high-pass filters normally protect the woofer motion from becoming destructive but change the phase behavior, the new BMC algorithm breaks conventional rules.
Specifications
- Frequency response
- 40 Hz to 400 Hz
- The range of pitches it reproduces, from deep bass to the top of the treble.
- Weight
- 20 kg
- Per unit, out of the box.
- Model code
- RCF-SUB-808-AS-BLACK
- Quote it when you ask a specialist.
Acoustical specifications
- Frequency Response
- 40 Hz - 400 Hz
- Max SPL @ 1m
- 129 dB
Transducers
- Woofer
- 2 x 8'' neo, 2.5'' v.c
Input/Output section
- Input signal
- bal/unbal
- Input connectors
- XLR, RDNet Ethercon
- Output connectors
- XLR, RDNet Ethercon
- Input sensitivity
- -2 dBu/+4 dBu
Processor section
- Protections
- Excurs.
- Limiter
- Fast Limiter
- Controls
- Volume
- RDNet
- Onboard
Power section
- Total Power
- 2000 W Peak
- Low frequencies
- 2000 W Peak
- Cooling
- Convection
- Connections
- Powercon TRUE1 TOP IN/OUT
Standard compliance
- Safety agency
- CE compliant
Physical specifications
- Cabinet/Case Material
- Baltic birch plywood
- Hardware
- 2X M20 TOP AND SIDE 8X M10 2X SIDE
- Handles
- 1 X SIDE
- Pole mount/Cap
- 35 mm insert
- Grille
- Steel with clothing
- Color
- Black, White
Size / Weight
- Height
- 243.5 mm / 9.59 inches
- Width
- 603.5 mm / 23.76 inches
- Depth
- 430 mm / 16.93 inches
- Weight
- 20 kg / 44.09 lbs
Shipping information
- Package Height
- 290 mm / 11.42 inches
- Package Width
- 480 mm / 18.9 inches
- Package Depth
- 650 mm / 25.59 inches
- Package Weight
- 21 kg / 46.3 lbs
Mains
- Mains voltage
- 220-240V
Downloads
5
- SUB 808-AS User manualManual · English · PDF, 6.1 MBDownload
- SUB 808-AS SpecsheetDatasheet · English · PDF, 1.3 MBDownload
- SUB 808-AS Line art 2DDrawing · English · PDF, 759 KBDownload
- SUB 808-AS CE declaration of conformityCertificate · English · PDF, 57 KBDownload
- SUB 808-AS UKCA declaration of conformityCertificate · English · PDF, 59 KBDownload
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