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Categories | Filters, Audio: (DSP and others) Help

Follow the links in the table to read reviews.

You can also add a new product or service in the Filters, Audio: (DSP and others) category.

Product Reviews Average rating Last review MSRP
AOR TDF-370 MultiModeTerminal 1 3.0  22-Aug-2001  $329.95
Autek Research QF-1 14 4.3  28-Jul-2012  $79.95
Autek Research QF-1A 33 4.8  19-Nov-2013  $No longer in production
BHI ANEM - Amplified Noise Elimination Module 15 4.7  19-Sep-2015  $227
BHI Compact-In-Line 4 5.0  01-Sep-2016  $259.00
BHI NEDSP 1061 28 4.9  08-Jan-2016  $139.00
BHI NEDSP-1062 10 5.0  08-Oct-2015  $159.99
bhi NEIM1031 14 4.6  21-Mar-2014  $129.95
BHI NES 10-2 MK3. 10 3.8  28-Dec-2015  $CIRCA 100.00
ClearSpeech base unit 33 4.7  24-Aug-2016  $179.95
Datong FL-2 8 4.6  10-Aug-2015  $??
Datong FL1 4 4.8  15-Oct-2004  $(missing—add MSRP)
Datong FL3 18 5.0  04-Jun-2016  $64.95 (GBP)
ED88 NF-ASP Dierking 3 3.7  19-Dec-2009  $240 (about) = Euro 200
Elecraft AF1 Active Filter with Audio Amplifier 6 5.0  06-Sep-2015  $$59.95
Elecraft KDSP2 for the K2 Transceiver 4 3.5  06-Jul-2015  $219.00
FUNtronics ADSP Filter FDS-02 1 5.0  19-Sep-2016  $85.00
GAP HEAR IT Inline Module 24 4.5  01-Nov-2015  $180
Gap Hear It Module inline DSP filter 11 4.6  07-Apr-2013  $200
Heathkit HD-1418 4 5.0  27-May-2015  $79.95
HiPermite 9 5.0  21-Dec-2015  $19
Idiom Press SCAF-1 91 4.7  15-Jul-2016  $89.95
J-Com Magic Notch 2 5.0  28-Oct-2016  $(missing—add MSRP)
JPS NF-60 DSP Notch Filter 5 5.0  14-Mar-2008  $(missing—add MSRP)
JPS NIR-10 13 4.5  30-Aug-2014  $299.95
JPS NIR-12 Dual DSP 14 4.8  01-Sep-2016  $375.00
JPS NRF-7 4 5.0  01-Jun-2015  $199.95
JPS NTR-1 1 4.0  25-Mar-2008  $160 USD
Kenwood DSP-100 14 4.2  24-May-2016  $$500-$600
LINGUA 7 4.6  12-May-2016  $290.00
MFJ-721 3 5.0  19-Jul-2010  $79.95
MFJ-722 1 4.0  18-Mar-2004  $79.95
MFJ-722B 2 4.5  09-Aug-2014  $99.95
MFJ-784B 31 4.4  20-Aug-2016  $249.95
Michels Engineering Speech Extractor DX-21 1 5.0  08-Oct-2005  $350
Midnight Science CW Regen Filter (AKA The Scrubber) 3 5.0  02-Jul-2015  $70
Mizuho AP-1D Audio Processor 1 5.0  22-Apr-2003  $99.50 in 1983
Mizuho AP-M1 portable audio processor 1 5.0  23-Jun-2007  $(missing—add MSRP)
MSC 2 4.5  27-Sep-2001  $195.
NEScaf Audio Filter 34 4.8  17-Jul-2014  $29.00
Radio Shack DSP 40 39 3.5  06-Mar-2016  $39.95
SGC "Power Clear" Add-on-DSP 3 3.7  06-Aug-2013  $159.95
Signal Enhancer II, Model: MFJ-752D 4 3.0  21-Aug-2015  $129.99
Timewave DSP-59+ 14 4.6  24-Dec-2015  $249.99
Timewave DSP-599zx 37 4.5  04-Jul-2015  $399
Timewave DSP-59Y 11 4.8  03-Dec-2008  $329.95
Timewave DSP-9 20 4.9  05-Aug-2013  $219.99 c.1995
Timewave DSP-9+ 19 4.6  29-Mar-2016  $199.55
Vectronics VEC-820 CW Filter Kit 6 3.8  25-Jun-2012  $35
Vectronics VEC-841 Tunable CW/SSB Audio Filter 4 4.8  13-Dec-2012  $69.96
Vectronics VEC-884 2 4.5  24-May-2016  $249.95
W3NQN Passive Audio Filter 35 4.9  24-Sep-2016  $70 USD $75 Cdn $90. overseas
W4RT Gap Hear-It DSP (bhi) for Yeasu 817 24 5.0  28-Jan-2014  $179.00 installed, 149.00 module
W9GR DSP Filter 14 4.8  18-Nov-2011  $170.00
West Mountain Radio CLRdsp 30 4.7  12-Nov-2016  $219.95
Wouxun Audio Filter 1 5.0  28-Mar-2014  $59.95

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