The MD421 has a 5-position bass roll-off switch. Speech, and cuts the low end by approximately 6dB below 500 Sennheiser presence user guide. II was designed to sound the same as the original, but to cost less to manufacture.
The only audible differences I know of are between the older units and the newer Mk. II has a very different sound with a presence boost added that I don’t much like. Significant upgrades incorporated into the MD 421 II include a metal inner chassis for better weight distribution and, with the contour-fitted bass roll-off control, a shorter, sleeker housing. The glass composite housing and hardened stainless steel basket afford improved durability.
With the acoustic components now enclosed in the inner chassis the mic is less sensitive to dust and humidity. A special edition of the mic, called the MD 421 SE, was released to celebrate the 90th birthday of company founder Dr. Visually distinctive with a gold-plated grille, the mic was available in a limited production run of 990 units, and shipped in a wooden case with a signed certificate of authenticity. MD421 N – 3-pin DIN 41524 connector.
The MD 421 was inducted into the TEC Hall of Fame in 2011, following the mic’s 50th anniversary celebration in 2010. The Sennheiser Electronics Corporation MD 421-II is also known as: 421, MD421, MD421II. The mic was released in 1960. Did we get anything wrong on this page? Any more updates for the newer firmware 5.
Will there be an update for this module to go with the newer 5. 5 running on a codec running 4. When an incoming call comes in, ‘incoming_call’ goes high, with the text of the caller. Bit of an issue if you have a full screen popup. I had to use an entire HDX module for the sole purpose of detecting incoming call state.