Audio Equipment Online

Speakers, amplifiers, turntables and DACs all sell widely online. Specs and return terms matter most.

Updated Nov 1, 2026. Edited by: Ilyass Ben Hakim.

Where to buy

Big marketplaces suit common gear. Specialist audio retailers and brand stores often add setup help. Used gear on eBay suits buyers who can test it on arrival.

Professional insight

Audio techs match impedance and power ratings across components first. Brand and looks come later.

Compare continuous power, never PMPO or peak figures.
Check amplifier load rating against speaker ohms.
Confirm inputs: phono, optical, coaxial, HDMI ARC or USB.
Buy from sellers with a trial return window.

Check the label

Exact model number on the box and listing.
Power in watts RMS or continuous, with load in ohms.
Distortion figure stated with the power rating.
Voltage, such as 120 V or 230 V, for your country.
Plug type and included cables.
Warranty terms and who honors them.
Condition: new, open box, refurbished or used.

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Types

Sources

Turntables, CD players, streamers and music servers.

Amplification

Preamps, power amps, integrated amps and receivers.

Speakers

Bookshelf, floor standing, powered speakers and subwoofers.

Converters

DACs turn digital files into analog signals.

Headphones

Headphones and headphone amps for private listening.

Specs to match

Spec	What to look for
Frequency response	Close to 20 Hz to 20 kHz, with a stated tolerance
Continuous power	Watts per channel into a stated load
Speaker impedance	Within the amplifier's rated range, often 4 to 8 ohms
Signal to noise ratio	Higher is quieter, stated in dB
Connections	Match outputs on one unit to inputs on the next

Red flags

Huge PMPO watt claims on small speakers.
No brand name or model number in the listing.
Used amps with no test photos or video.
Sellers who refuse returns on electronics.
Prices far below every other listing for new stock.

Buying steps

1List what you already own and its connections.
2Choose the missing piece and its key specs.
3Shortlist models and read their full spec sheets.
4Check seller return terms and warranty.
5Test every input and channel when it arrives.

Common questions

Is PMPO a useful rating?: No. No standard defines it, so it cannot be compared across brands.
Is used audio gear safe to buy?: Often, from rated sellers. Old amps may need servicing before heavy use.
Do I need a DAC?: Only if your source lacks a good one. Many streamers and amps include a DAC.