HW HAOWORKS K400 150W Portable PA Speaker with Wireless Mics

Mics: HW HAOWORKS K400 is a battery-powered portable PA speaker listed with a 150-watt output and a set of wireless microphones. Its mix of voice amplification, music inputs, and claimed water resistance suits instructors and event hosts who need a movable system for small to mid-sized groups.

At a glance

The listing claims IPX6 water resistance and a shock-resistant design. Its description says not to submerge the speaker.
The listed microphone set includes two wireless handheld microphones and one wireless headset. The listing says any two can be used at once.
Bluetooth, USB and AUX playback are listed, with TWS pairing claimed for linking two K400 speakers.
Claimed battery life is up to 6 hours for the speaker, up to 12 hours for handheld microphones, and 5–7 hours for the headset.

Price

$299.00Save 17%

Reference price: ~~$359.00~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

Three microphone options are claimed in the listed kit, with the feature description allowing any two to operate at once.
Bluetooth, USB and AUX provide multiple listed ways to play music alongside voice amplification.
The claimed IPX6 water resistance is relevant for outdoor use where splashes or changing weather are possible.

Cons

The listing positions the system for small to mid-sized group activities rather than large concert venues.

Technical specifications

10 specifications

Identity and output
Brand	HW HAOWORKS
Model	K400
Output wattage	150 watts

Connectivity and compatibility
Connectivity	AUX, Bluetooth, UHF, USB, Wireless
Compatible devices	Laptop, Microphone, Smartphone, Tablet
Connectors	Aux, USB

Power and dimensions
Power configuration	Battery Powered
Dimensions listed	16 x 13 x 24 inches
Enclosure material	Acrylonitrile Butadiene Styrene (ABS)
Color	Yellow

What to know before buying

Listing details to confirm

The listed dimensions are 16 x 13 x 24 inches, while the feature text describes the speaker as weighing 7.6 lb. These are materially different descriptions of portability, so confirm the actual dimensions and weight for the selected listing before planning transport or storage. Battery-life figures are claimed operating times and may vary by use.

What’s in the box

Included

Karaoke speaker
Wireless headset microphone
2 charging cables
2 wireless handheld microphones

Who is it for?

A good fit for

Teachers, coaches and presenters who need microphone amplification for small to mid-sized groups.
Hosts seeking a portable voice-and-music setup with handheld and headset microphone options.
Outdoor gatherings where claimed water resistance may help with splashes, provided the unit is not submerged.

Less suited to

Large concert venues or buyers needing a listing-confirmed high-capacity PA system.
Buyers who need confirmed compact dimensions or a verified weight before purchasing.

HW HAOWORKS K400 150W Portable PA Speaker with Wireless Mics · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 37 ratings

5 stars75%75%
4 stars20%20%
3 stars0%0%
2 stars0%0%
1 star5%5%

Customer feedback highlights sound quality, performance and portability, with classroom music and sing-alongs among the reported uses. These perceptions align with the listing's microphone and music-playback features, though they do not establish measured loudness or battery runtime. Overall ratings skew positive, but a smaller one-star share means experiences are not uniformly favorable.

Positive themes

Customer feedback describes strong performance and sound quality, including for classroom music and sing-alongs.
Portability and perceived value are also mentioned positively.

Frequently asked questions

Can the K400 be used for both speaking and music?

The listing describes it for voice and music, with Bluetooth, USB and AUX playback. It also claims TWS pairing with a second K400 for stereo sound.

How many microphones are listed, and can they be used together?

The stated contents list two wireless handheld microphones and one wireless headset microphone. The feature text says any two can be used at once.

Is the speaker suitable for use outdoors?

The listing claims IPX6 water resistance and says it can handle splashes, but should not be submerged. This is a manufacturer claim, not an independent test result.

How long does the battery last?

The listing claims up to 6 hours for the speaker, up to 12 hours for handheld microphones, and 5–7 hours for the headset. Actual runtime may vary with use.