SUPNIU Wireless Voice Amplifier Professional Karaoke Machine with 2 UHF Microphones for Adults, 320W Peak Bluetooth Speaker PA System Treble & Bass for Home Party Wedding Outdoor Christmas Events L400

Price: $299.98 - $239.98
(as of Jun 27, 2026 02:56:29 UTC – Details)

Product description

1 Wishlist HIFI Speaker

2 Portable Karaoke Machine

3 Active Lifestyle

4 UHF Wireless Microphones

5 THREE DSP

Why is the L400 Karaoke Speaker priced so high?

1.DSP Power: Features 3 pro-grade DSP chips;

2.Premium Build: High-end wooden cabinets & speakers (TOP grade), with metal control panel and 2metal UHF wireless Mics;

3.Tuning: Independent pro-grade adjustment for Music (B/T) & Mic (B/T/Echo).

If your L400 speaker and wireless handheld microphone fail to connect, follow these steps:

1. Pairing Issue: Speaker and mic usually auto-pair when powered on. If not, check the manual for pairing steps.

2. Sudden Disconnect: Check whether the microphone batteries are dead.

Does the L400 play music and amplify sound simultaneously?

Yes, it supports playing music and amplifying sound at the same time. Please pair the microphone before connecting to Bluetooth.

How long will the machine last?

It takes only 4-6 hours to fully charge the machine. At 50% volume, the karaoke machine can be used for 5-10 hours.

Does the L400 speaker support use with a guitar?

Yes, it supports use with a guitar.

♫【High-Fidelity Audio with Deep Bass】: The SUPNIU L400 portable karaoke machine equipped with a 160W(320W Peak)output powered by features the latest 4 drivers，adopted three professional digital processor processing DSP chips and high-low pitch separation technology to adjust the sound effect, fully releasing the characteristic advantages of treble and bass, intelligently eliminating noise, making the sound clearer, the bass stronger and the volume more moderate. The bass is so rich and deep that you even can feel the vibrations.
♫【Powerful bluetooth party speaker for indoor and outdoor use】: Designed for both home and outdoor entertainment, this karaoke speaker delivers 320W Peak of powerful sound with the latest 4 drivers and Double Bass Reflex Tube for deeper and natural bass with fewer distortions. The 14,000mAh rechargeable battery provides 3-8 hours of playtime, making it ideal for parties, picnics, or busking. Enjoy versatile music playback via Bluetooth, 3.5mm aux input, USB port, or TF card. Unique features like USB-C OTG live streaming and headphone monitoring enhance your experience.
♫【Professional bluetooth karaoke machine with versatile connectivity】: The SUPNIU L400 portable karaoke machine is perfect for music lovers and performers. Comes with two UHF wireless microphones, 6.35mm jack for wired microphone & instrument inputs, such as guitars, keyboards, drums, and more. The professional PA system lets you independently control sound effects like treble, bass and more，ensuring studio-quality sound for every performance.
♫【Premium Design & Effortless Portability】: Built to last, this karaoke machine features durable metal alloy control panels and a comfortable rotating handle, combining style with practicality. The wooden case and large sound guide tube deliver balanced, full-bodied audio. With its compact size (8.6” * 9” * 13.6”) , Solid and Elegant Design(14.1 lbs), Its ergonomic design includes an adjustable handle, enabling effortless portability so you can carry it anywhere with ease, whether you’re teaching, coaching, guiding tours, or hosting events.
♫【2 Wireless UHF Microphones】: Not only adopting the latest audio technology DSP chip in both microphones to make sure transmit your voice more efficiently to achieve the best voice effect but also the speaker filled with well-defined tones to deliver precision sound and fantastic home theater surround sound experience. The mics will auto-connect when both the speaker and mics are turned on, and the working range is up to 33 feet. Note: The microphone is powered by 2*AA batteries (need 2*AA batteries, No included).
♫【Ideal as a holiday gifts】: Exquisitely packaged, our SUPNIU L400 multifunctional portable speaker with built-in microphone is the ultimate gift for teachers, coaches, tour guides, karaoke enthusiasts, musicians, wedding planners, event managers, and other professionals..
♫【What’s in the package】 The Package includes the L400 party Karaoke speaker x 1, USB charger cable x 1, 3.5mm AUX cable x 1, Wireless UHF microphones x 2, user manual x 1. ( NOTE: Microphones do not go along with batteries. If you have any questions, please contact us, we will reply you within 7-24 hours to provide you with the best customer service ).