20A Three-Stage Audio EMI Filter

₱1,499.00
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20A Three-Stage Audio EMI Filter

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20A Three-Stage Audio EMI Filter
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₱1,499.00

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Product details

20A Three-Stage Audio EMI Filter

This compact EMI filter board is purpose-built for audiophile-grade amplifiers requiring clean AC power delivery. Physical construction includes a rigid FR-4 PCB substrate populated with precision-wound differential inductors, toroidal common mode chokes, and UL/EN-certified X2 film capacitors. Input and output are terminated via industry-standard 7.62 mm pitch screw terminal blocks: 3-position for input (live, neutral, protective earth), 2-position for output (live, neutral). Operates across universal AC mains voltage (110–250 V), rated for continuous 10 A load current with short-term 20 A capability. Its proprietary three-stage topology comprises one dedicated differential mode filtering stage followed by two cascaded common mode stages — enabling deeper attenuation of both asymmetrical (differential) and symmetrical (common mode) noise sources. This architecture delivers superior rejection of high-frequency switching noise, RF ingress, and repetitive transient bursts commonly generated by nearby electronics or unstable grid conditions. When deployed upstream of tube amplifiers, integrated DACs or linear power supplies, the filter actively removes DC offset from AC lines, suppresses mains-borne hum modulation, and lowers broadband noise floor. End results include tighter bass control, improved stereo imaging stability, and quieter backgrounds during silent passages — especially noticeable in near-field listening or low-sensitivity speaker setups. Grounding must follow strict safety practice: input GND terminal must be bonded to the mains earth conductor; chassis bonding remains optional depending on system-level grounding strategy.
  • Fruugo ID: 530108378-1075799283
Safety

Product Safety Information

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Safety Warnings: Warning to keep away from water to prevent electric shocks.
Ingredients: Other

Product Compliance Details

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Manufacturer
The following information outlines the contact details for the manufacturer of the relevant product sold on Fruugo.

  • Chen ShaoMao
  • Lixian Maisite Trading Co., Ltd.
  • Group 8
  • Wugong Village
  • Xiaodukou Town
  • Lixian County
  • CN
  • 415500
  • [email protected]
  • 13192770024

Responsible Person in the EU
The following information outlines the contact information for the responsible person in the EU. The responsible person is the designated economic operator based in the EU who is responsible for the compliance obligations relating to the relevant product sold into the European Union.

  • e Vatmaster Consulting GmbH
  • e Vatmaster Consulting GmbH
  • RaiffeisenstraBe 2 B11
  • Rodgau
  • DE
  • 63110
  • [email protected]
  • 49 61062699873
Delivery

Delivery

Dispatched within 3 days

  • STANDARD: FREE - Delivery between Thu 24 September 2026–Mon 28 September 2026 - FREE

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Returns

Returns

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