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Funktion-One F121 -EX HIRE STOCK

Condition: Ex hire stock  7/10.

Priced plus VAT per box.



We have for sale a qty of used Funktion-One F121.

Condition: Ex hire stock  7/10.

Priced plus VAT per box.

We can ship worldwide on a pallet.

The F121 provides outstanding bass performance from a moderately sized enclosure making it the bass of choice for many diverse applications.  Similar in output power to an F218, this single 21” version of the F221 can be used with virtually all Funktion One mid-high loudspeakers to great effect.  The advanced loading and driver design of this high-efficiency product provides audiences and crowds around the world with stimulating and satisfying experiences.  The F121 comprises a horn-loaded and very robust Funktion One designed 21” driver with 6” voicecoil and Neodymium magnet.  Available in 4 Ohm or 8 Ohm versions with optional wheels, throat grill and pole mount.


  • Advanced Andrews’ loading
  • High output from moderately sized enclosure
  • Funktion One designed driver with Neodymium magnet
  • New driver orientation provides improved cooling
  • Integral handles
  • Optional throat grill, wheels and pole mount
  • Choice of 4Ω or 8Ω driver




(1W at 1m)


21″ 20 – 200Hz 105dB 750W 4Ω  or  8
Frequency Response ± 3dB: 40Hz – 250Hz
Weight: 72kg (159lbs)
Construction: 18mm Birch Ply
Connectors: 2 x linked Speakon NL4


Additional information


Violet, White, Black, Custom Colours Available