Audio Line Noise Suppression for Home Audio

Digital amplifiers are becoming more popular for home audio applications and have improved in terms of audio quality. But because of the switching noise that occurs in digital amplifiers, noise that exceeds EMC standards can be emitted into the space around the cable connected to the speaker. Noise suppression via capacitors and inductors is typically implemented to solve this noise problem. But Murata has developed noise filters for audio lines that suppress unwanted noise while maintaining audio quality. Here is an overview of noise problems in home audio and their solutions.

Results: 36
Select Image Part # Mfr. Description Datasheet Availability Pricing (CLP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Termination Style Package / Case Impedance Maximum DC Current Tolerance Maximum DC Resistance Minimum Operating Temperature Maximum Operating Temperature Length Width Height Qualification Packaging
Murata Electronics Ferrite Beads 100 OHM 5.2A 21.242In Stock
Cut Tape
$524
$430
$424
$353
Reel
$228
Min.: 1
Mult.: 1
: 3.000
NFZ EMI Filters SMD/SMT 0806 (2016 metric) 100 Ohms 5.2 A 25 % 18 mOhms - 55 C + 125 C 2 mm 1.6 mm 1.2 mm AEC-Q200 Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 900 OHM 2.55A 11.095In Stock
Cut Tape
$535
$381
$294
$261
Reel
$141
Min.: 1
Mult.: 1
: 2.000
NFZ EMI Filters SMD/SMT 1210 (3225 metric) 900 Ohms 2.05 A 30 % 45 mOhms - 40 C + 125 C 3.2 mm 2.5 mm 1.55 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 10.516In Stock
Cut Tape
$239
$166
$130
$116
Reel
$78,6
Min.: 1
Mult.: 1
: 10.000
NFZ EMI Filters SMD/SMT 2.6 kOhms 350 mA 25 % 1 Ohms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 8.065In Stock
Cut Tape
$513
$358
$310
$247
Reel
$118
Min.: 1
Mult.: 1
: 4.000
NFZ EMI Filters SMD/SMT 0603 (1608 metric) 500 Ohms 950 mA 25 % 250 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 1.249In Stock
Cut Tape
$513
$358
$310
$247
Reel
$128
Min.: 1
Mult.: 1
: 4.000
NFZ EMI Filters SMD/SMT 0603 (1608 metric) 250 Ohms 1.1 A 25 % 190 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 100 OHM 4.0A 18.917In Stock
Cut Tape
$900
$629
$542
$482
Reel
$254
Min.: 1
Mult.: 1
: 3.000
NFZ EMI Filters SMD/SMT 0806 (2016 metric) 100 Ohms 4 A 25 % 18 mOhms - 40 C + 85 C 2 mm 1.6 mm 0.9 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 300 OHM 46.585In Stock
Cut Tape
$911
$895
$841
$734
$701
Reel
$320
Min.: 1
Mult.: 1
: 3.000
NFZ EMI Filters SMD/SMT 0806 (2016 metric) 300 Ohms 3.1 A 25 % 30 mOhms - 40 C + 85 C 2 mm 1.6 mm 0.9 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads EMI Filter SMD NONAUTO 7.996In Stock
Cut Tape
$478
$393
$324
$309
Reel
$213
Min.: 1
Mult.: 1
: 3.000
NFZ EMI Filters SMD/SMT 0806 (2016 metric) 130 Ohms 1.5 A 25 % 144 mOhms - 55 C + 125 C 2 mm 1.6 mm 1.2 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads EMI Filter SMD NONAUTO 14.294In Stock
Cut Tape
$718
$501
$433
$386
Reel
$195
Min.: 1
Mult.: 1
Max.: 3.000
: 3.000
NFZ EMI Filters SMD/SMT 0806 (2016 metric) 60 Ohms 2.7 A 25 % 54 mOhms - 55 C + 125 C 2 mm 1.6 mm 1.2 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 1000 OHM 210MA 15.000In Stock
15.000Expected 11/24/2026
Cut Tape
$228
$175
$137
$122
Reel
$57
Min.: 1
Mult.: 1
: 15.000
NFZ Ferrite Chip Beads SMD/SMT 0201 (0603 metric) 1 kOhms 210 mA 25 % 1.3 Ohms - 55 C + 125 C 0.6 mm 0.3 mm 0.3 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 15.149In Stock
Cut Tape
$251
$175
$137
$122
Reel
$57
Min.: 1
Mult.: 1
: 15.000
NFZ Ferrite Chip Beads SMD/SMT 0201 (0603 metric) 1.6 kOhms 180 mA 25 % 1.7 Ohms - 55 C + 125 C 0.6 mm 0.3 mm 0.3 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 11.085In Stock
15.000Expected 12/8/2026
Cut Tape
$239
$164
$137
$115
Reel
$59,2
Min.: 1
Mult.: 1
: 15.000
NFZ Ferrite Chip Beads SMD/SMT 0201 (0603 metric) 330 Ohms 305 mA 25 % 600 mOhms - 55 C + 125 C 0.6 mm 0.3 mm 0.3 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 9.900In Stock
Cut Tape
$262
$185
$159
$133
Reel
$59,2
Min.: 1
Mult.: 1
: 15.000
NFZ Ferrite Chip Beads SMD/SMT 0201 (0603 metric) 670 Ohms 250 mA 25 % 880 mOhms - 55 C + 125 C 0.6 mm 0.3 mm 0.3 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 9.940In Stock
Cut Tape
$342
$239
$186
$165
Reel
$80,9
Min.: 1
Mult.: 1
Max.: 30.000
: 10.000
NFZ EMI Filters SMD/SMT 100 Ohms 1.1 A 25 % 100 mOhms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 5.698In Stock
10.000Expected 12/24/2026
Cut Tape
$342
$239
$186
$165
Reel
$80,9
Min.: 1
Mult.: 1
: 10.000
NFZ EMI Filters Reel, Cut Tape
Murata Electronics Ferrite Beads 9.290In Stock
Cut Tape
$353
$245
$190
$171
Reel
$80,9
Min.: 1
Mult.: 1
: 10.000
NFZ EMI Filters SMD/SMT 1.5 kOhms 400 mA 25 % 800 mOhms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape
Murata Electronics Ferrite Beads 330 OHM 650MA 9.334In Stock
Cut Tape
$239
$166
$130
$116
Reel
$80,9
Min.: 1
Mult.: 1
: 10.000
NFZ EMI Filters SMD/SMT 330 Ohms 650 mA 25 % 300 mOhms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 4600 OHM 900MHZ 0.27A 11.327In Stock
Cut Tape
$239
$166
$130
$116
Reel
$80,9
Min.: 1
Mult.: 1
: 10.000
NFZ EMI Filters SMD/SMT 4.6 kOhms 270 mA 25 % 1.65 Ohms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 3.780In Stock
10.000Expected 12/4/2026
Cut Tape
$342
$239
$186
$165
Reel
$80,9
Min.: 1
Mult.: 1
: 10.000
NFZ EMI Filters SMD/SMT 770 Ohms 500 mA 25 % 500 mOhms - 55 C + 125 C 1 mm 0.5 mm 0.5 mm Reel, Cut Tape
Murata Electronics Ferrite Beads 32In Stock
4.000Expected 3/4/2027
Cut Tape
$467
$324
$280
$223
Reel
$132
Min.: 1
Mult.: 1
: 4.000
NFZ EMI Filters SMD/SMT 0603 (1608 metric) 250 Ohms 1.1 A 25 % 190 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 514In Stock
Cut Tape
$467
$324
$280
$223
Reel
$115
Min.: 1
Mult.: 1
: 4.000
NFZ EMI Filters SMD/SMT 0603 (1608 metric) 500 Ohms 950 mA 25 % 250 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 2.907In Stock
Cut Tape
$433
$304
$236
$210
Reel
$108
Min.: 1
Mult.: 1
: 4.000
NFZ EMI Filters SMD/SMT 0603 (1608 metric) 700 Ohms 800 mA 25 % 290 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 25In Stock
4.000Expected 12/14/2026
Cut Tape
$513
$358
$310
$229
Reel
$120
Min.: 1
Mult.: 1
: 4.000
NFZ EMI Filters SMD/SMT 0603 (1608 metric) 700 Ohms 800 mA 25 % 290 mOhms - 55 C + 125 C 1.6 mm 0.8 mm 0.8 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 1.653In Stock
3.000Expected 1/26/2027
Cut Tape
$900
$895
$844
$751
Reel
$278
Min.: 1
Mult.: 1
: 3.000
NFZ EMI Filters SMD/SMT 0806 (2016 metric) 600 Ohms 2.5 A 25 % 46 mOhms - 40 C + 85 C 2 mm 1.6 mm 0.9 mm Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads EMI Filter SMD NONAUTO 2.727In Stock
Cut Tape
$478
$393
$324
$309
Reel
$213
Min.: 1
Mult.: 1
: 3.000
NFZ EMI Filters SMD/SMT 0806 (2016 metric) 15 Ohms 4.4 A 25 % 23 mOhms - 55 C + 125 C 2 mm 1.6 mm 1.2 mm Reel, Cut Tape, MouseReel