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SMSL

SMSL PA40 Digital Power Amplifier

SMSL PA40 Digital Power Amplifier

  • Authorized Retailer
  • Free US Shipping $49+
  • 1-Year Warranty
  • 45-Day Returns
$128.99 USD
$128.99 USD
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Title

The SMSL PA40 is a compact digital power amplifier with a built-in power supply — no external brick to find room for, which matters more on a crowded desk than spec sheets suggest. It includes tweeter adjustment and a remote.

That tweeter control is the practical feature: bookshelf speakers pushed close to a wall or sitting on a hard desk surface often need the top end pulled back or brought forward, and having that on the amp saves you fighting it with EQ or room treatment. Run the PA40 from any line-level source — a desktop DAC, a streamer, a phone via a DAC — into passive bookshelves, and you have a complete small speaker system in very little space.

  • Digital power amplifier with built-in power supply
  • Tweeter adjustment
  • Remote control included
  • Authorized retailer, 45-day returns
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Good to know

Frequently asked questions

Is this unit genuine?

Yes. TonePier is an authorized retailer — every unit comes from the brand or its official distributor, carries a valid serial number and is covered by the full manufacturer warranty.

How long does shipping take?

SKUs stocked in our US warehouse ship within 1–2 business days. Items shipped direct from our China hub typically arrive in 8–15 days with full tracking. The product page tells you which applies before you order.

What if it isn't for me?

You get 45 days to decide. Keep the packaging, keep it in like-new condition, and send it back for a refund. Ear tips unsealed for hygiene reasons are fine — we expect you to actually listen.