- Pyeongtaek-si, South Korea

NF 3628
- Manufacturer: NF
Dual CH Programmable Filter, LP-PL / HPF / BPF / THRU (MF), DC to 2MHz (+ 5dB, -3dB) typ
$2,390 USDSeoul, South Korea
SRS SR650
- Manufacturer: SRS
High and low pass elliptical filters (2-channel), 115 dB / octave rolloff, 1 Hz to 100 kHz
$1,920 USDSeoul, South Korea

