Skullcandy Session 540 Portable Bluetooth Speaker

The Skullcandy Session 540 is a portable Bluetooth speaker for buyers who want a compact speaker with flexible attachment options. The listing claims up to 17 hours of playtime, waterproofing and a magnetic mount, while its power output is inconsistent across listing details.

At a glance

Manufacturer claims up to 17 hours of battery life and up to 3.5 hours of playtime from a 10-minute charge.
A separate listing passage claims up to 40 hours in Battery Saver Mode. Treat this as a mode-specific claim, not the standard playtime estimate.
The listing describes IP67 protection and a drop test from 1 meter onto concrete.
Magnetic mounting and a stowable attachment strap are described for attaching the speaker to metal surfaces or gear.
Manufacturer claims stereo pairing with two Session speakers and Party Mode connection with up to 99 Session speakers.
Bass Boost, three EQ modes and a custom 5-band EQ through the Skullcandy App are listed.

Price

$59.99Save 25%

Reference price: ~~$79.99~~

Price checked: Nov 13, 2026

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Pros and cons

Pros

Magnetic mounting and the claimed stowable strap offer several ways to position or carry the speaker.
The listed rapid-charge claim may help when there is little time to recharge before listening.
Stereo pairing and Party Mode offer options to expand playback with other Session speakers.

Cons

The stated 8W and 10 watts output figures conflict, making the speaker's listed power rating uncertain.

Technical specifications

19 specifications

Identity
Brand	Skullcandy
Model	Session 540

Connectivity and controls
Wireless connection listed	Bluetooth
Control methods listed	Push Button

Power and battery
Power configuration	Battery Powered

Dimensions and installation
Mounting types listed	Magnetic Mount
Dimensions listed	11 x 17.91 x 6.71 cm; 320 g
Weight listed	320 g

Materials and protection
Water resistance listed	Waterproof
Enclosure material	Plastic
Colour	Cement

Audio
Maximum output power listed	10 watts
Frequency response	20 KHz
Audio output mode	Stereo
Driver type	Dynamic Driver
Driver size	49.5 millimeters

Other listed details
Input voltage	3.7 volts
Model number	S8SFS-U993
Warranty description	1 Year Manufacturer

What to know before buying

Listing details to confirm

Listing details conflict on output power, with 10 watts in the specifications and 8W in manufacturer copy. The stated dimensions also differ between entries, and the claimed 17-hour battery life and up-to-40-hour Battery Saver Mode figure have different operating conditions. Confirm which details apply to the selected listing.

Who is it for?

A good fit for

People looking for a portable speaker with a magnetic mount and claimed strap for gear attachment.
Listeners who want to pair compatible Session speakers for stereo or group playback.
Buyers seeking listed waterproof protection for travel or outdoor listening.

Less suited to

Buyers who need a confirmed power rating or a precise, comparable runtime before purchasing.
Listeners seeking a documented high-output system for filling a large space. The listing describes 8W or 10 watts and compact use.

Skullcandy Session 540 Portable Bluetooth Speaker · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 55 ratings

5 stars55%55%
4 stars26%26%
3 stars8%8%
2 stars4%4%
1 star7%7%

The supplied evidence includes aggregate star ratings but no customer-comment summary. The rating distribution is mostly in the upper star categories, with some lower ratings, but it does not establish why people rated the speaker as they did or confirm how its battery, sound or protection perform in use.

Frequently asked questions

How long does the Session 540 play on a charge?

The listing claims up to 17 hours, with up to 40 hours in Battery Saver Mode in a separate passage. These are manufacturer claims and the latter is mode-specific. A 10-minute rapid charge is claimed to provide up to 3.5 hours of playtime.

Is the Session 540 waterproof?

The listing describes it as IP67 waterproof and dustproof, and claims a drop test from 1 meter onto concrete. These are listing claims, not independently verified results.

Can it play in stereo with another speaker?

The manufacturer claims stereo pairing with two Session speakers and Party Mode connecting up to 99 Session speakers. Confirm compatibility with the other speaker before buying.

What output power does the listing give?

The details table lists 10 watts, while manufacturer copy states 8W. The listing is inconsistent, so neither figure should be treated as confirmed.