RCF SUB9007-AS Active 21-Inch Subwoofer with 4.5-Inch Voice Coil

Bring the Bass with the RCF SUB9007-AS Active 21-Inch Subwoofer with 4.5-Inch Voice Coil

The SUB 9007-AS is one of the most powerful 2x21” subwoofers in the field of live sound. Featuring two, high power, hyper-vented 21” neodymium woofers with 4.0” inside-outside voice coils, this cabinet deliver a serious amount of low frequencies. Powered by a 7200 W digital amplifier, the SUB 9007-AS can perform in the most demanding situations. The housing of the SUB 9007-AS match the RCF D-Line HDL 50 and HDL 20 array systems, enabling stacked systems matched a perfect combination.

• 7200 Watt Peak power - 3600 Watt RMS
• 141 dB max SPL
• 20 Hz ÷ 400 Hz frequency response
• 2 x 21" Woofer
• DSP controlled Input section with selectable presets
• Delay control
• Integrated mechanics for multiple configurations with HDL 50-A 4k, HDL 20-A, HDL 10-A
• RDNet remote and control
• Baltic birch tour grade cabinet

SPECIFICATIONS

• Frequency Response: 20Hz - 400Hz
• Max SPL @ 1M: 141dB
• Transducers
  • Woofer: 2 x 21'', 4.0'' voice coil
• Input/Output Section
  • Input Signal: balanced/unbalanced
  • Input Connectors: XLR, RDNet Ethercon
  • Output Connectors: XLR, RDNet Ethercon
  • Input Sensitivity: +4dBu
• Processor Section
  • Hi-Pass Frequencies: 25Hz, 35Hz
  • Low-Pass Frequencies: Variable from 50Hz to 400Hz
  • Protections: Thermal, RMS
  • Limiter: Fast Limiter
  • Controls: Gain, EQ, Xover, Phase switch, Output Delay Settings, Cardioid
  • RDNet: Yes
• Power Section
  • Total Power: 7200W Peak, 3600W RMS
  • Low Frequencies: 7200W Peak, 3600W RMS
  • Cooling: Convection
  • Connections: Powercon IN/OUT
• Standard Compliance
  • CE Marking: Yes
• Physical Specifications
  • Cabinet/Case Material: Baltic birch plywood
  • Hardware: Mounting points, 2 x M20
  • Handles: 8 on a side
  • Grille: Steel
  • Color: Black
• Size
  • Height: 708mm / 27.87 inches
  • Width: 1188mm / 46.77 inches
  • Depth: 785mm / 30.91 inches
  • Weight: 96kg / 211.64lbs
• Shipping Information
  • Package Height: 760mm / 29.92 inches
  • Package Width: 825mm / 32.48 inches
  • Package Depth: 1135mm / 44.69 inches
  • Package Weight: 110kg / 242.51lbs

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.