SUB 121C

SUB 121C

Functional overview

Specialized design for fixed installation - High efficiency subwoofer with band-pass. SUB 121C is a high efficiency subwoofer with band-pass, suitable for various bars, meeting rooms, KTV. It can be stacked on the ground or hoisted in any direction. It can be hoisted separately or hoisted in the array of two cabinets. The cabinet is designed with bass reflection and can accommodate a single 21-inch long-stroke driver, various designs allow the maximum sound pressure to reach 135 dB. The box body is made of high-density birch board, the front side is equipped with hard wire mesh and black PCP (polyurea cabinet protection) paint finish. It has the function of anti-impact and anti-weather. The unit is supported in the middle of the box by a high precision metal material and metal parts, so that the box can be reliably protected. It is equipped with hangers which can be installed horizontally and vertically at multiple angles. It also has rigging which can be supported and suspended at a single point. The connection panel on the back side is embedded and with Speakon NLT4 M connectors. This subwoofer which elaborated by REYN AUDIO has excellent performance in complementary sound and extended frequency band, can effectively improve the dynamic and impact of sound and achieve super-normal level performance; its omnidirectional decentralized design allows it to create various symmetrical and asymmetrical directional working modes, perfectly matching the design of sound field in various activity sites.


  • SUB 121C is a high efficiency subwoofer with band-pass, which is driven by a high-performance 21 inch carbon fiber basin neodymium magnetic bass unit.
  • It features excellent low-frequency dynamic responses, ensuring a real and powerful bass regeneration, and the dynamic sound of the subwoofer will impress you deeply.
  • The concept of design conforms to various quality tests and adheres to the highest standard of sound.
  • Fixed installation in highclass clubs and performance rooms, low frequency quality and excellent operational reliability are the most ideal choices.
  • The birch box specially adopts advanced spraying PU wearproof waterproof paint, moistureproof, sun proof, available for outdoor tour performance, with standard SPEAKON NL4-MP connector makes it more convenient to operate.
  • With REYN AUDIO perfect high performance professional expander series, creates a good push ability matches the style and system integrity of the music on any occasion.

Technical & Specification

System data

  • Frequency range:28Hz-120Hz(-3dB)
  • Maximum output sound pressure level :135dB
  • Sensitivity(1W/1m):98.3dB

Loudspeaker data

  • Rated power(AES):1200W
  • Program power:2400W
  • Nominal impedance:8Ω
  • Unit dimension: 21"(5" Voice Coil)
  • Connection index:NL4-MP:1+/1-(SUB),2+/2-(Link)
  • Connectors:2x 4-points Speakon®

Dimensions / weight

  • Finish material:Black PU abrasive-resistant paint
  • Cabinet dimension(WxHxD)mm:760x755x880mm
  • Net Weight : 76Kg