We have brought back a very popular DIY audio amplifier module for a very limited production run. 
Many hundreds of these module have been sold over the years all around the world and they use the Toshiba Power MOSFETs, 2SK1530 and 2SJ201, these devices are absolutely fantastic power transistors, with a single pair up to 200 watts into 4 ohms can be extracted, with very low THD+N and extraordinary bass control. 
The net result is an amplifier that has wonderful 3D sound stage and sharp focal imaging, with smooth natural vocals and highs with rock solid bass response that rivals the very best amplifiers in the world. This amp module needs to be heard to be believed, it is that good!!! 
A revamped PCB layout in the image of the NXL200 R5.3 has been produced as shown in the photos, The cost is shown below and it is for two amplifier modules, making them very cheap for such a hi-end power amplifier module.
The best of components have been used in its design, using Vishay MELF audio grade resistors and audio grade Wurth Electronics decoupling capacitors and Nichicon MUSE audio grade feedback capacitor.

The completed batch is expected to ship around Mid November 2023,
So order now to avoid disappointment

Specifications

110 Watts RMS continuous sine wave into 8 Ω Capable when used on a 50vdc supply
180 Watts RMS continuous sine wave into 4 Ω Capable when used on a 50vdc supply
The HPA-NXV200 R6 SE is 2 Ω Stable
Biased into Class A/B
Frequency Response 3.5hz to 300khz -3dB
Damping Factor At 100hz 8Ω = 800
XLR Balanced input impedance 40kΩ
Balanced Input Gain 30dB
RCA Single ended Input impedance 20kΩ
Single Ended Input Gain = 27dB

SNR -115dB
THD-N = 0.005% @ 130 watts 8 Ohms
Recommended Linear Voltage Supply +-50 volts DC;  Maximum supply +-60vdc
PSU Power Transformer for stereo secondary windings 35VAC-40VAC (225VA min)
Printed Circuit Board Dimensions 70mm x 60mm
Recommended Conrad Heat Sink MF25-75
Ultra small form factor PCB
Designed as high performance Home Theatre multi-channel amplifier
Or High End 2 Channel stereo amplifier
Unconditionally Stable into any load from 4 ohm loads and up.