KV2 Audio » Products » VHD » VHD2.21

VHD2.21 - Ultra Low Frequency Subwoofer

Originally designed for Super Live Audio as part of a VHD system, the VHD2.21 is voiced for both Live Music but also excels in the field of Club and Dance Music. In this situation it works very effectively, operating down to 25Hz, alongside other VHD products, the smaller ES range, or as an incredible stand-alone subwoofer that can complement any other manufacturers systems. Unlike traditional 21" subwoofers that are typically designed as more of an effect subwoofer, the VHD2.21 boasts tight, fast delivery and extreme dynamics, even at higher bass frequencies – qualities rarely found in such a large unit. One 2.21 can be driven by a single VHD3200. Whilst larger than KV2 Audio’s existing subwoofers it still fits in with the company’s philosophy of providing maximum performance from within a compact footprint. There is also a flyable version available - VHD2.21R (KVV 987 496) with additional fixings and requirements for the VHD4.21 Flybar (KVV 987 398). 

Watch the product video

VHD2.21 Technical Data Sheet

Applications

Especially designed to add extreme low frequency-last octave extension with exceptional high output to the VHD2.0 and VHD1.0 in conjunction with other VHD subwoofers

  • Large scale live music and playback performance
  • Hire and Production
  • Large Concert venues
  • Cinema
  • Nightclub
  • Fixed installation
  • Easily incorporated into multiple system projects with ES and SL products

Product code

  • KVV 987 249 - VHD2.21
  • KVV 987 496 - VHD2.21R
 

Features

  • Designed in response to calls for a high output ultra low frequency subwoofer solution
  • Double 21" subwoofer with an input power handling capability of 3200W
  • Incredibly efficient, the 2.21 has a sensitivity of 106dB at one watt/one meter and can produce output levels in excess of 140dB
  • Frequency response from 28Hz through to 240Hz
  • A flyable version available - VHD2.21R (KVV 987 496) with additional fixings and requirements for the VHD4.21 Flybar (KVV 987 398). 
 

Applications

Especially designed to add extreme low frequency-last octave extension with exceptional high output to the VHD2.0 and VHD1.0 in conjunction with other VHD subwoofers

  • Large scale live music and playback performance
  • Hire and Production
  • Large Concert venues
  • Cinema
  • Nightclub
  • Fixed installation
  • Easily incorporated into multiple system projects with ES and SL products

Product code

  • KVV 987 249 - VHD2.21
  • KVV 987 496 - VHD2.21R
 

System Acoustic Performance

Max SPL Long-term143dB (2xVHD2.21)
Max SPL Peak149dB (2xVHD2.21)
-3dB Response34Hz to 180Hz
-10dB Response28Hz to 240Hz
Impedance
Crossover Point60Hz to 120Hz

Low Frequency Section

Acoustic DesignBandpass with low port losses
Low Frequency Amplifier Requirement3200W /1x VHD2.21 (bridged VHD3200 amp.)
Woofer Size / Voice Coil Diameter / Design2 x 21" / 4.3"
Magnet TypeNeodymium Advanced Ventilated
Diaphragm MaterialEpoxy Reinforced Cellulose

Speaker Input

Speaker Input AP4 male

Cabinet

Cabinet MaterialBaltic birch
Handles12
ColorBlack (wear resistant polymer coating)

Physical Dimensions

Height700 mm (27.55")
Width1080 mm (42.52")
Depth1200 mm (47.24")
Weight155 kg (341.7lbs)
 

Product code

  • KVV 987 249 - VHD2.21
  • KVV 987 496 - VHD2.21R
 
PDF

VHD Subwoofers User Guide

VHD Series Subwoofers User Guide - VHD2.16, VHD2.18J, VHD4.18, VHD1.21, VHD2.21 / VHD2.21R, English

 
 
PDF

VHD2.21 Data Sheet

VHD2.21 Data Sheet

 
 
DWG

VHD2.21 - 3D

1:1 scale - clamping points - weight - dwg file

 
 
SKP

VHD4.21, 2.21 Flybar 3D DWG

VHD4.21, 2.21 Flybar 3D DWG

 
 
DWG

VHD2.21 3D DWG

VHD2.21 3D DWG

 
 
SKP

VHD2.21 SKP

VHD2.21 SketchUp

 
 
DWG

VHD4.21/2.21 Flybar 3D DWG

VHD4.21/2.21 Flybar 3D DWG

 
 
DWG

VHD4.21/2.21 Flybar 2D DWG

VHD4.21/2.21 Flybar 2D DWG

 
 
SKP

VHD4.21/2.21 Flybar 3D SKP

VHD4.21/2.21 Flybar 3D SKP

 
 
PDF

VHD4.21/2.21 Flybar 2D drawing

VHD4.21/2.21 Flybar 2D drawing

 
 
DWG

VHD2.21 2D DWG

VHD2.21 2D DWG

 
 
SKP

VHD Series Sketchup

VHD Series Sketchup - all boxes and accessories

 
 
PDF

VHD2.21 - 2D

VHD2.21 2D Drawings

 
 
GLL

VHD4.21 / VHD2.21 EASE Data

VHD4.21 / VHD2.21 EASE Data - .GLL - description

 
 
GLL

VHD4.21 / 2.21 EASE Focus

VHD4.21 / 2.21 EASE Focus

 
 
 

2 Channel Adapter Cable

Gallery

Product code

KVV 987 450

 

Description

- 2 channel adapter cable

 

Cable LF100 for bass speaker

Gallery

Product code

KVV 987 123

 

Description

- 4 wire speaker cable - AP4 connectors - 10m (33ft) - for ES Bass Module hook-up

 

Cable LF40

Gallery

Product code

KVV 987 122

 

Description

- 4 wire speaker cable - AP4 connectors - 4m (13ft) - for ES Bass Module hook-up

 

SL Ground stack

Gallery

Product code

KVV 987 320

 

Description

The SL Ground Stack consists of a two supporting legs, connecting to a metal strip, that has apertures with fixed points to allow the securing of the multiple stacked SL215 Bass enclosures with an SL412 and to prevent tipping when using the SL system stacked, away from the wall, or stacked on a VHD2.21 enclosure. - 6 pcs M10 hex screws with hole included - 6 pcs Quick-lock-pins 6mm included - 2pcs knob with screw included - 1pc allen key - 6mm included

 

Downloads

DWG

SL Ground stack 3D DWG

SL Ground stack 3D DWG

SKP

SL Ground stack SKP

SL Ground stack SketchUp

VHD2.21/4.21 Cover

Gallery

Product code

KVV 987 352

 

Description

Cover for VHD2.21/4.21

 

VHD4.21R/2.21R Flybar

Gallery

Product code

KVV 987 398

 

Description

Flybar for VHD4.21R or VHD2.21R. See VHD4.21 user manual for more instructions.

 

Downloads

SKP

VHD4.21, 2.21 Flybar 3D DWG

VHD4.21, 2.21 Flybar 3D DWG

SKP

VHD4.21 / VHD2.21 Flybar 3D SKP

VHD4.21 / VHD2.21 Flybar 3D SKP
DWG

VHD4.21 / VHD2.21 Flybar 2D DWG

VHD4.21 / VHD2.21 Flybar 2D DWG

VHD-Double G

 

Description

Up to 10000 people Number of bass boxes - depend on music style Right side of stereo double system

 

Products

CountProductType
2VHD2.0MID-HI
4VHD2.16SUB
2VHD2.21ULTRA SUB
2VHD2000MID-HI AMP
3VHD3200SUB AMP
 

Accessories

CountAccessoryTitle
2Cable MH120Cable MH120
2Cable LF15Cable LF15
2Cable LF40Cable LF40
2Cable LF100Cable LF100 for bass speaker
 

Images

VHD-Single G

 

Description

Up to 5000 people Number of bass boxes - depend on music style Right side of stereo single system

 

Products

CountProductType
1VHD2.0MID-HI
4VHD2.16SUB
1VHD2.21ULTRA SUB
1VHD2000MID-HI AMP
2VHD3200SUB AMP
 

Accessories

CountAccessoryTitle
1Cable MH120Cable MH120
2Cable LF15Cable LF15
1Cable LF40Cable LF40
2Cable LF100Cable LF100 for bass speaker
 

Images

VHD-Single H

 

Description

Up to 2000 people. Number of subwoofer depends on music style Right side of stereo double system.

 

Products

CountProductType
2VHD2.16SUB
1VHD2.0MID-HI
1VHD2.21ULTRA SUB
1VHD2000MID-HI AMP
1VHD3200SUB AMP
 

Accessories

CountAccessoryTitle
1Cable LF15Cable LF15
1Cable LF100Cable LF100 for bass speaker
1Cable MH120Cable MH120
1Cable LF40Cable LF40
1VHD2.0 Top extension arm (pair)VHD2.0 Top extension arm (pair)
1VHD Bass arm (pair)VHD Bass arm (pair)
1VHD1.0 Downfill arm (pair)VHD1.0 Downfill arm (pair)
1VHD Systems fly barVHD Systems fly bar
 

Images

SL - D

 

Description

• Stereo system requires: 1 x SL3000 - stereo amplifier 2 x VHD3200 - sub amplifier • Up to 2000 people • Number of bass cabinets and SUB LEVEL setup - depends on the style of music

 

Products

CountProductType
2SL412MID-HI
2VHD2.21ULTRA SUB
1SL3000MID-HI AMP
2VHD3200SUB AMP
 

Accessories

CountAccessoryTitle
2Cable MH120Cable MH120
2Cable LF40Cable LF40
 

Images

 

References

Stage Theater an der Elbe, Hamburg, Germany

Stage Theater an der Elbe, Hamburg, Germany

A multi-million investment, this theatre was specifically designed and built for future Stage Entertainment productions and initially showcased an exciting new show about Germany winning the 1954 World cup, called...

Read more »
 

Contact

Head Office KV2 Audio International spol. s r.o.
Nádražní 936
Milevsko 399 01
Czech Republic

VAT: CZ26051591
Phone: +420 383 809 320 (English)
E-mail: info@kv2audio.com

Distribution

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