Analog Cascade Dual 4th Order Linkwitz–Riley Filter Module

Here we are glad to offering a module level 4th order Linkwitz–Riley filter, primarily targeted for high-end audio application. 

Highlight: 

1. Two cascaded filters with variable frequency settings.
2. Bass/Mid cut off frequency settable from 50 to 100Hz with 16 steps.
3. Mid/Treble cut off frequency settable from 1.5k to 3.0kHz with 16 steps. 
4. Input and output range no less than ±12.5V.
5. ±5V to ±15V power supply.
6. Mechanical form factor fits standard DDR4 RDIMM slot (note this is not the consumer variant, but the server variant). 
7. Stop band attenuation 110dB minimum. Support system level single point grounding to minimize crosstalk. 
8. State variable filter topology

Application:

1. Active Crossover for High-end Audio
2. Low Noise Instrumentation
3. Signal conditioning for acoustic, vibration, or seismic measurement

Custom Option:

1. Crossover frequency tuning range.
2. Bessel, Butterworth, Chebyshev, Elliptic, or other Q values.
3. Color, manufacture, and other cosmetic markings.
4. Custom board interface, form factor can be accommodated with NRE. 

Unit price at $199+tax/tariff at single piece quantity.
Contact us at  for volume pricing, OEM, and technology transfer.