GOLDEN MARS KM-KU103 Dual Wireless Microphone System

Dual: The GOLDEN MARS KM-KU103 is a two-handheld-microphone wireless system for karaoke, speech and other audio setups with a compatible input. Its listed connections are 6.35 mm jack and XLR, and the maker claims a line-of-sight range of up to 300 feet.

At a glance

Two handheld microphones and one receiver are listed, with automatic connection claimed after power-on.
The claimed 300-foot reception distance is specified for line-of-sight use.
The microphones are described as rechargeable via USB-C, with a claimed charge time of 2–3 hours and use time of over 12 hours per full charge.
The listing says a compatible 6.35 mm microphone or XLR input is required. It cannot connect directly to TVs, computers or mobile phones without additional audio equipment.

Price

£54.14Save 18%

Reference price: ~~£66.23~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Two handheld microphones are supplied according to the listed contents, making the system suitable for two-person singing or speaking setups.
The 6.35 mm and XLR connection options support use with a range of listed amplifiers, mixers and PA equipment.
USB-C charging and the claimed over-12-hour microphone runtime may suit extended sessions between charges.

Technical specifications

14 specifications

Identity
Brand	GOLDEN MARS
Model	KM-KU103

Wireless and audio
Wireless connection listed	Upgraded 2.4GHz wireless
Listed frequency response	2.4 GHz
Number of channels	2
Polar pattern	Hyper Cardioid
Microphone form factor	Handheld
Connector type	6.35 mm Jack, XLR
Compatible devices	Amplifier, Audio Interface, Audio Mixer, PA System, Speaker

Power and battery
Power configuration	Electricity
Batteries listed	2 Lithium Ion batteries required. (included)

Dimensions and finish
Dimensions listed	25.4 x 5.1 x 6.9 centimetres
Colour	Black
Enclosure material	Plastic

What to know before buying

Listing details to confirm

The listing is inconsistent about the pickup pattern: the specifications say “Hyper Cardioid”, while the feature text says “cardioid”. Its listed 2.4 GHz “Frequency Response” is also not a conventional audio-response range. The claimed 300-foot reach is for line of sight, and the stated battery runtime and charge time are manufacturer claims. Confirm the selected listing's exact package contents: one contents list omits an audio cable and manual, while another includes a 1/4-inch cable and user manual.

What’s in the box

1 receiverIncluded
2 Type-C charging cablesIncluded
2 anti-slip ringsIncluded
2 handheld microphonesIncluded
Power adapterIncluded
1 1/4-inch audio cableCheck selected pack
1 user manualCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Karaoke or event users who need two handheld wireless microphones for an existing PA, mixer or amplifier.
Church, classroom, wedding or speech setups with compatible 6.35 mm or XLR microphone inputs.

Less suited to

Buyers who need microphones to connect directly to a TV, computer or mobile phone without additional audio equipment.
Setups that require a verified pickup pattern, independently confirmed range or independently confirmed battery runtime.

GOLDEN MARS KM-KU103 Dual Wireless Microphone System · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 54 ratings

5 stars57%57%
4 stars24%24%
3 stars6%6%
2 stars3%3%
1 star10%10%

Aggregate ratings lean positive, with most ratings in the four- and five-star categories, but a smaller one- and two-star share means experiences are not uniformly positive. Ratings alone do not identify specific strengths or explain dissatisfaction. They are not evidence that the claimed range, sound quality or battery life has been verified.

Frequently asked questions

Can the KM-KU103 connect directly to a TV or phone?

The listing says it cannot connect directly to TVs, computers or mobile phones. Additional audio equipment is required.

What connection options are listed?

The product lists a 6.35 mm jack and XLR. Check that your amplifier, mixer or PA has a compatible microphone input.

How far away can the microphones work?

The maker claims reception up to 300 feet within line of sight. Treat this as a stated claim, not a guaranteed distance for every room or setup.

What is included in the package?

The contents lists agree on one receiver, two microphones, two charging cables, two rings and a power adapter. One list additionally specifies a 1/4-inch audio cable and user manual, so check the selected listing for the final package details.