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SMSL SA400 230W RMS*2 4Ω Bluetooth5.0 Hifi Power Amplifier

SMSL SA400 230W RMS*2 4Ω Bluetooth5.0 Hifi Power Amplifier

Regular price £370.00 GBP
Regular price £528.00 GBP Sale price £370.00 GBP
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>Supported Inputs: XLR, RCA, Bluetooth.

>THD+N: 0.003%.

>SNR: 96dB.

>Channel Separation: 94dB.

>Output Power: 230Wx2(4ohm)/110Wx2(8ohm).

>Power Consumption: 50W.

>Size: 210x48x235mm(WxHxD).

>Weight: 1.95Kg.

The SMSL SA400 is a high-resolution power amplifier that delivers an impressive 230W RMS*2 (4Ω) output power. It features Bluetooth 5.0 APTX/XLR/RCA input and comes with a remote control for easy operation. The amplifier is equipped with two digital power amp chips Class D that ensure high-quality sound output.

The SA400 is designed to provide a super bass preamp output APT-X XLR RCA Bluetooth Amp that delivers an exceptional audio experience. It has a THD + N of 0.003% and an SNR of 96db, which ensures that you get clear and crisp sound quality.

The amplifier has a channel separation of 94db and consumes only 50W (Normal Volume) of power, making it an energy-efficient option for your home audio setup.

The SA400 is compact and measures 210x48x235mm (W x H x D), making it easy to fit into your existing audio setup without taking up too much space.

Brand Name: S.M.S.L

Type: Desktop Power Amplifier


>Two Separate Digital Power Amplifier Chips.

>Japanese NJW1194 High-Precision Electronic Volume Control Chip.

>Super-Bass Pre-AMP Output Support.

>Stable Bluetooth V5.0 Connectivity.

>Qualcomm aptX Lossless Wireless Codec Support.

>High-Quality Power Supply.

>Audiophile-Grade High-Quality Components.

>Outstanding Performance With Ultra-Low Distortion.

>Multiple EQ Modes With Separate Frequency Adjustment Option.

>Fully Functional Remote-Control.

>Colorful Display.

>Aluminum Alloy CNC Machined Body.


S.M.S.L SA400 is the latest Bluetooth Power Amplifier for your HiFi audio systems. It is loaded with high-performance audiophile-grade components to ensure high-resolution premium performance with your HiFi speakers.

Two Separate Power Amplifier Chips:

S.M.S.L SA400 features two independent power amplifier chips that provide distortion-free, noise-free sound output for your speakers. It has an output power rating of up to 230W per channel at 4 ohms of load, it is more than enough to power demanding speakers in your chain.


Bluetooth V5.0 Connectivity With Qualcomm aptX Codec Support:

S.M.S.L SA400 features an advanced Bluetooth chip providing stable Bluetooth V5.0 connectivity with high-resolution aptX transmission. With the SA400 in your audio chain, you can feed hi-res signal to your high-fidelity speaker systems with a lag-free, fast Bluetooth connection.

Japanese NJW1195 High-Precision Volume Control Chip:

S.M.S.L SA400 adopts a Japanese NJRC high-precision NJW1195 electronic volume control chip for precise volume adjustment with ultra-low distortion. With this chip, the SA400 has a distortion rating of as low as 0.0003% only. It also features an NJW1119A low-distortion three-section EQ control chip to ensure the purity of the sound source.

Sub-Woofer Output Support:

S.M.S.L SA400 features a separate sub-woofer pre-output option to help the users create a powerful 2.1ch audio system. This output is adjustable from -30 to +10dB volume levels providing the users full control over the bass response of their 2.1 system.

Exquisite Design With Aluminum Alloy Build:

S.M.S.L SA400 has a well-finished CNC machined build quality where the shell is made using premium aluminum alloy material. The device also features a colorful display right on the front that adds to the rich and premium look of the amp.

Multiple EQ Options:

Users can completely utilize the benefit of multiple EQ modes available in the SA400. It also offers independent control over the bass, middle, treble, and sub-woofer settings to precisely control the output via your high-resolution speakers.

Audiophile-Grade Performance With Audiophile-Grade Components:

S.M.S.L SA400 features audiophile-grade HiFi components to ensure a high-quality sound performance. The brand has chosen high-quality capacitors, resistors on the audio motherboard for its class-leading performance. It also features a professional LLC resonant power supply that is more suitable for power amplifiers. 

What's in the Box?

Shipping & Returns

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

Shipping Fees

Worldwide Free Shipping on Hificat, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.

In the event that a shipment is refused delivery by the recipient, is undeliverable, or is returned to sender, Hificat will process a refund to the original payment method used.

If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.


Which Couriers To Use?

We collaborate with these courier companies:
Standard Shipping: Yanwen Express
Express Shipping(over $500 can be free): DHL Express, FedEx and SF Express

Hificat has extensive global logistics experience to ensure quality logistics services to consumers.

HiFiCat offers consumers different shipping, depending on the country, a choice of different shipping methods.


Estimated Delivery Time

1. France, Germany, UK, Italy, Spain, USA.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 6-10 days to arrive.

Tracking Example



United Kingdom:



United States:

2.EU Country:Filand, Poland, Estonia, Norway, Switzerland, Greece, Sweden, Israel, Czech Republic, Slovenia, Slovakia, Denmark, Netherlands, Latvia, Croatia, Austria, Hungary, Belgium, Bulgaria, Romania, Ireland, Malta, Iceland, Serbia and so on.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 10-15 days to arrive.









Czech Republic:


















Russian Federation

3.South America:Peru, Brazil, Chile



South Africa:


New Zealand:


5.Canada By Canada Post, about 2 weeks.
6. Asia:
Japan By Japan Sagawa Global Transportation. About 7 days.
Thailand By jt express. About 5-7days.
Malaysia by jtexpress.My  About 5-7days.
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