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SMSL PA40 MA5332 Class D Digital Power Amplifier

SMSL PA40 MA5332 Class D Digital Power Amplifier

Regular price $155.00 USD
Regular price $139.00 USD Sale price $155.00 USD
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SMSL PA40 Digital Power Amplifier

Class D Amplifier with Built-in Power Supply, Bass/Treble Adjustment, and Remote Control

Description

The SMSL PA40 is a high-efficiency digital power amplifier featuring the Infineon MA5332 Class D amplifier chip, designed to deliver low distortion, low noise, and a wide dynamic range. Equipped with audiophile-grade components and a built-in power supply, it offers both impressive performance and convenience. The PA40 includes an NJU7391A electronic volume control chip for surround sound and tone control, providing a refined listening experience. Ideal for home audio setups, this compact amplifier combines power, quality, and user-friendly features like EQ and bass/treble adjustments, as well as remote control functionality.

Features

  • High-Efficiency Class D Amplification: Powered by the Infineon MA5332 chip, the PA40 offers high conversion efficiency with minimal heat and energy consumption, perfect for continuous use.
  • Built-in Power Supply: Eliminates the need for external adapters, reducing cable clutter and electromagnetic interference for a stable, optimized performance.
  • Audiophile-Level Sound Quality: Low distortion (THD+N 0.004%) and high SNR (100dB) ensure clear, high-quality audio with excellent low-frequency response and minimal noise.
  • NJU7391A Volume Control Chip: Features surround sound capabilities and precise tone control, enhancing the richness and detail of your audio.
  • Comprehensive EQ, Bass, and Treble Adjustments: Easily adjust volume, EQ, bass, treble, gain, and screen brightness using the front knob, allowing fine-tuned sound customization.
  • Gold-Plated Terminals: High-quality gold-plated RCA inputs and speaker outputs ensure durability and reliable connectivity, extending the lifespan of the amplifier.
  • Remote Control Included: Conveniently control power, volume, and other settings from a distance, ideal for hassle-free operation.

Specifications

  • Input: RCA
  • THD+N: 0.004%
  • SNR: 100dB
  • Channel Separation: 72dB
  • Input Sensitivity: High Gain: 315mV/20kΩ, Low Gain: 580mV/20kΩ
  • Output Power: 4Ω: 165W x 2, 8Ω: 85W x 2
  • Power Consumption: 40W (Normal Volume)
  • Dimensions: 191.6 x 41.6 x 185mm (WxHxD)
  • Weight: 1.26kg (2.77lbs)

About SMSL PA40

The SMSL PA40 is an advanced digital amplifier designed for audiophiles who prioritize quality and ease of use. Its built-in power supply, user-friendly controls, and high-quality components make it a perfect addition to any home audio setup, providing powerful performance, rich sound, and a sleek, tidy appearance. Enjoy clear, detailed sound with customizable audio settings for an immersive listening experience.

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Shipping & Returns

  • Free Standard full searchable Shipping
  • DDP(Delivered Duty Paid) Services, No payment on receiption
  • Free 7-Day Return Policy!

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.


Shipping Fees & Couriers

We collaborate with the following courier companies:

  • Standard Shipping: Yunexpress, 4PX, NinjaVan
  • Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
  • Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.


Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

2. EU 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

Tracking examples:

3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

4. Americas

5. Oceania

6. Asia


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