sorry, we have discontinued our partnership with CL*RK and will stop selling TK boards effective immediately.
These are our current remaining stock and once gone, no more will be available.
TK series is a Plug-and-Play Controller easy to install controller for upgrading Heng-Long (HL), Taigen and TAMIYA RC tanks into proportional radio control with higher quality sound. The board itself has approx. the same size footprint as the Heng Long RX18.
TK20 series controller uses 4 channels RC system to control R/C tank's forward/backward movement, sharp turning, pivoting, turret rotation and gun barrel evaluation at variable speed 
20A track motor driver 22KHz, 8-bit high quality sound with digital sound mixer Maximum of 5 channel of sound track, main gun, machine gun, turret rotate, gun barrel elevation and engine sound can be generated at the same time 3W sound output power 0.8A BEC Support air-soft gun with sound synchronization Support TAMIYA and HL IR battle unit and format Support RealRecoil servo port Support gun barrel stabilizer Safety shutoff prevents unwanted movement while signal lost Auto R/C signal detection Miniature design(60mm X 50mm X 20mm) for 1/25~1/16 R/C Tank
We highly recommend you to consider the TK40 (upgraded version of the TK24 series) as this is the latest version with many more features.
please note:
volume control is not included. We will provide you with a 3p jumper, which makes it maximum volume.
we sell this here: https://www.rctanklegion.com/products/volume-control-complete-kit-plug-and-play-for-tk-boards
HL version 6.0/6.1 tanks:
you will need some parts as HL omitted and changed the wiring harness.
1) 8p daughter board + 8p wire
2) 2p x 3 to plug into TK board for battery power, and 2 motors.
more product technical support: