$(csi.user.businessName)

Main Content

Loading...

Techtober SaleEnds Sunday. Limited quantities. No rainchecks.Shop now

Skip to content Go to Product Search

Deal of the Day

My Best Buy Memberships

Best Buy Business

Visit our Support Center
Check your Order Status
Shipping, Delivery & Store Pickup
Returns & Exchanges
Price Match Guarantee

Order & Purchases

Check Order Status
Shipping, Delivery & Pickup
Returns & Exchanges
Price Match Guarantee
Product Recalls
Trade-In Program
Gift Cards

Payment Options

My Best Buy® Credit Card
Pay Your Bill at Citibank
Lease to Own
Buy Now, Pay Later
Best Buy Business Financing

Support & Services

Visit our Support Center
Shop with an Expert
Schedule a Service
Manage an Appointment
Protection & Support Plans
Haul Away & Recycling
Contact Us

Rewards & Membership

My Best Buy Memberships
View Points & Certificates
Member Offers

Partnerships

Sell on Best Buy Marketplace
Advertise with Us
Affiliates: Creators & Publishers
Best Buy Health
Best Buy Education
Best Buy Business
Partner+

About Best Buy

Corporate Information
Careers
Corporate Responsibility
Sustainability

Sign in or Create Account

Get the latest deals and more.

Email Address

Best Buy appLearn more ›

Best Buy Canada

Accessibility Terms & Conditions Privacy Interest-Based Ads State Privacy Rights Health Data Privacy Do Not Sell/Share My Personal Information Limit Use of My Sensitive Personal Information Targeted Advertising Opt Out CA Supply Chain Transparency Act

In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.

SMSL DO400 DAC/Amp search results

Filters

Skip To Results

Get it fast

Pickup · Ready todaySelect Store

Shipping · Get it today55423

Sold & shipped by

Best Buy

Category

Receivers & Amplifiers

Home Amplifiers & Preamps

Headphone Accessories

Price

to

Less than $25

$25 - $49.99

$50 - $74.99

$75 - $99.99

$100 - $149.99

$150 - $199.99

$200 - $249.99

$250 - $499.99

Brand

iFi Audio

Fosi Audio

Pyle

Rotel

Universal Audio

AudioControl

Marantz

Vox

Features

Remote Control Included

Bluetooth

Dolby Atmos

Equalizer

App Compatible

Headphone Jack

Pairing Technology

ENERGY STAR Certified

Current Deals

On Sale

Color

Black

Silver

Gray

Gold

Multi

Red

Inputs Outputs

USB Input(s)

Headphone Jack

Customer Rating

Top-Rated

5

4 & Up

Works With

Google Home

Amazon Alexa

Apple Home

Number of Channels

1

2

4

5

8

10

13.2

15.4

SMSL DO400 DAC/Amp (46)

Sort by:

Sponsored

Sponsored

Sponsored

Sponsored

Sponsored

Front. AudioControl - 2-Channel Active Line Output Converter and Line Driver - Black.

AudioControl - 2-Channel Active Line Output Converter and Line Driver - Black

Rating 4.8 out of 5 stars with 38 reviews

4.8(38 reviews)

Compare

Front. AudioControl - The Epicenter Concert Series Digital Bass Restoration Processor - Black.

AudioControl - The Epicenter Concert Series Digital Bass Restoration Processor - Black

Rating 4.8 out of 5 stars with 66 reviews

4.8(66 reviews)

Compare

Featured products

Sponsored

Kenwood - 400W Class-D Bridgeable Multichannel Compact Amplifier with Variable Crossovers - Gray
Rating 4.6 out of 5 stars with 113 reviews
AudioControl - Altitude Series 600W 4-Channel Class D Amplifier - Gray
Rating 3.3 out of 5 stars with 3 reviews
VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 110W @ 4 Ohm / 4 x 160W - Titanium Gray
Not yet reviewed
VEVOR - 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 272W @ 4 Ohm / 4 x 400W - Titanium Gray
Not yet reviewed
Sennheiser - AMBEO Soundbar Mini Compact Device with Adaptive Features and Multiple Connectivity - Black
Rating 4.5 out of 5 stars with 169 reviews

$325.99$32599

$199.99$19999

$58.90$5890

$699.99$69999

The price was $949.99

$70.90$7090