Everything in Music - Since 1958

Adam Audio Sub2100 Powered Subwoofer

  • Our Price
  • Regular price $9,599.99

• Inventory changes daily
Contact us for availability | tel: 301-946-8808
• Please allow for additional delivery time due to COVID 19

Get The Highest SPLs at The Lowest Frequencies With The Adam Audio Sub2100 Powered Subwoofer

Adam Audio subwoofers are designed with one primary goal in mind: Achieving absolute accuracy and an authentic natural sound in the process of music reproduction. This means combining exceptional bass power with precision and clarity in every subwoofer. These elements are the perfect partners to complement the highly acclaimed clarity and transparency of ADAM monitors in the lower and lowest frequencies.

All subwoofers feature both balanced (XLR) and unbalanced (RCA) input/output connectors and comprehensive control options that allow for adapting to different room acoustics and requirements.

Panel And Controls

All subwoofers feature a level control (-60 dB to +6 dB), phase switch (180°) and a variable upper frequency control (50-150Hz). For the satellite outputs, an 85Hz high pass filter can be switched in to block frequencies below 85Hz so satellite speakers can meet the Dolby® recommendations for theater sound and also to relieve the satellites from the lower frequencies. In addition, you can either switch on/off the subwoofer manually or use the option of automatically powering up the subwoofer whenever it receives a signal (signal-on / continuous).

ADAM has developed the unique Sub2100 subwoofer for the special requirements of large control rooms and studios. The Sub2100 combines a huge 21.5 inch woofer and an amplifier capable of 1000 W continuous power housed in a bass reflex enclosure tuned for reproducing frequencies down to 18 Hz. The sheer power and extremely high efficiency (99 dB / W/m) enable this system to produce linear SPL peaks of 128 dB without any significant compression.

The Worlds Largest Voice Coil

Essential to the volume of this woofer is the gigantic 6 inch voice coil, which is the largest worldwide. Equipped with this voice coil, the Adam Sub2100 is capable of reaching the highest SPLs in the lowest frequencies that can be perceived by the human ear. On every level, the Sub2100 establishes a new benchmark in subwoofer technology.

  • 21.5 inch Woofer, 1000 Watts
  • Linear bass reproduction down to 18 Hz
  • Maximum Peak sound pressure in 1 m 128 dB
  • High efficiency PWM amplifier
  • Special 21.5 inch woofer with paper diaphragm
  • 150 mm voice coil
  • Additional sub output
  • Upper cut-off frequency is selectable between 50 - 150 Hz
  • Connectable high-pass filter for the satellite outputs, which blocks signals below 85 Hz



  • Frequency Response: 18 Hz - 150 Hz
  • THD: ≤ 1% at greater than 60 Hz
  • Peak SPL Max at 1m: ≥ 128 dB
  • Crossover Frequencies: 50 - 150 Hz
  • Input Impedance: 10 KOhm
  • Panel: Rear


  • Number: 1
  • Basket Ø: 21.5 inch / 543 mm
  • Voice Coil Ø: 6 inch / 150 mm
  • Cone Material: Paper
  • Built-in Amplifiers
  • Subwoofer: 1
  • Amp. Power (RMS / Music): 1000 W / 1200 W


  • Analog XLR and RCA

In The Box

  • Power cord
  • Manual

Manufacturer: Adam Audio
Model: SUB2100
SKU: I614832-N-0-WHXC

We are Chuck Levin's Washington Music Center

Maryland, Virginia, and Washington DC's legendary music shop. Family-owned and operated since 1958. Buy gear the way it was meant to be bought, from a store that's been there through it all and has the vibe to prove it. We're staffed with musicians and industry experts, people that live and breathe music gear. Our mission is to help you find the right gear for your project, that thing that will bring you the most joy out of what you do. We're an authorized dealer for almost every brand, we stock items the other stores don't, so you can try before you buy. Stop by our Wheaton, MD showroom and see for yourself.

Contact us if you have questions about one of our listings or if you need help finding the right piece of gear.