Power Supply Line Noise Suppression for Home Audio

Digital amplifiers are increasingly popular for home audio applications. In many cases, power is supplied from an AC outlet for home audio, and the conductive noise in the power supply cable is regulated under EMC standards. Therefore, it is necessary to prevent noise from leaking into the power supply line during audio playback. Here is an overview of noise problems in home audio cables and their solutions.

Types of EMI Filters / EMI Suppression
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Murata Electronics Ferrite Beads 1000 OHM 2A Alternate Sizing Guide Below
Datasheet
176,043In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 1000 OHM Alternate Sizing Guide Below
Datasheet
218,633In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 800 OHM 2.5A Alternate Sizing Guide Below
Datasheet
64,178In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 30 OHM Alternate Sizing Guide Below
Datasheet
101,142In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 10.0 UF 50V 20A
Datasheet
12,036In Stock
5,200Expected 08/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

EMI Filter Circuits EMI Network Filter Arrays LC Filter - 55 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 600 OHM Alternate Sizing Guide Below
Datasheet
190,686In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 35 DB 50V 20A SMD
Datasheet
14,219In Stock
6,400Expected 21/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

EMI Filter Circuits EMI Network Filter Arrays LC Filter - 40 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 330 OHM 25% Alternate Sizing Guide Below
Datasheet
419,826In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 120 OHM Alternate Sizing Guide Below
Datasheet
23,938In Stock
12,500Expected 28/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 600 OHM Alternate Sizing Guide Below
Datasheet
43,429In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 16 V 15A
Datasheet
1,932In Stock
3,200Expected 14/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

EMI Filter Circuits EMI Network Filters LC Filter - 40 C + 105 C Reel, Cut Tape, MouseReel
Murata Electronics Common Mode Chokes / Filters 800 NH
Datasheet
377In Stock
250Expected 14/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 125

Common Mode Chokes Common Mode Chokes - 55 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 220 OHM 25% Alternate Sizing Guide Below
Datasheet
149,702In Stock
120,000Expected 14/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 470 OHM 25% Alternate Sizing Guide Below
Datasheet
107,411In Stock
80,000Expected 14/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 30 OHM 10% Alternate Sizing Guide Below
Datasheet
51,803In Stock
52,000Expected 14/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 110 OHM Alternate Sizing Guide Below
Datasheet
23,616In Stock
20,000Expected 13/03/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 330 OHM Alternate Sizing Guide Below
Datasheet
25,596In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 470 OHM Alternate Sizing Guide Below
Datasheet
36,311In Stock
75,000On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Ferrite Beads Ferrite Chip Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Ferrite Beads 50 OHM 12A Alternate Sizing Guide Below
Datasheet
33,964In Stock
41,565Expected 25/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Ferrite Beads Ferrite Beads - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 4.7 UF 50V 20A
Datasheet
2,896In Stock
7,990On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

EMI Filter Circuits EMI Network Filter Arrays LC Filter - 55 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 10.0 UF 25V 20A
Datasheet
3,649In Stock
3,439Expected 27/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

EMI Filter Circuits EMI Network Filter Arrays LC Filter - 55 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel
Murata Electronics EMI Filter Circuits 6.3 V 15A
Datasheet
1,347In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 400

EMI Filter Circuits EMI Network Filters LC Filter - 40 C + 125 C Reel, Cut Tape, MouseReel
Murata Electronics Common Mode Chokes / Filters 100 OHM 300V 15A 2UH
Datasheet
547In Stock
500Expected 18/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 125

Common Mode Chokes Common Mode Chokes - 55 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel
Murata Electronics Common Mode Chokes / Filters 10M OHM 100V 6A 20UH
Datasheet
1,413In Stock
1,000Expected 18/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 125

Common Mode Chokes - 55 C + 105 C AEC-Q200 Reel, Cut Tape, MouseReel
Murata Electronics Common Mode Chokes / Filters 6 UH
Datasheet
1,384In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 125

Common Mode Chokes - 55 C + 125 C AEC-Q200 Reel, Cut Tape, MouseReel