









Product Highlights
Adjustment
Connection
Input
Support
Bluetooth®
K21 SE
180W pro-level sound with 4 tweeters, a woofer, 2 passive radiators, BT/USB/TF/AUX connectivity, dual mic/instrument inputs, adjustable sound knobs, and two true diversity wireless mics for immersive performances.
About This Item
Concert-Quality Sound, Anytime, Anywhere
Unleash 180W of raw audio power with the K21 SE. Four precision tweeters slice through the air with razor-sharp highs, while a dedicated woofer pounds out deep, chest-rattling bass. Two passive radiators supercharge the low frequencies, delivering an immersive, 360° soundscape that fills any space—from intimate backyard gigs to bustling outdoor festivals.
Plug & Play, No Matter the Setup
This speaker is your one-stop audio hub:
- Wireless Freedom: Stream via Bluetooth 5.0 with zero lag
- Versatile Inputs: Play from USB drives, TF cards, or AUX cables
- Live Performance Ready: Connect two wired microphones and two instruments simultaneously
Whether you’re a solo artist, a band, or a DJ, K21 SE adapts to your gear, eliminating the need for complex audio setups.
Tailor Your Sound, Your Way
Take control with intuitive sound adjustment knobs. Fine-tune bass, treble, and midrange frequencies, tweak microphone volume, and even add reverb effects. From warm jazz tones to booming EDM drops, customize every nuance until your audio matches your vision—perfect for musicians, presenters, and audiophiles who demand precision.
Unleash Your Inner Performer
With two true diversity wireless microphones in the box, say goodbye to dropouts and interference. These mics lock onto signals with military-grade stability, delivering crystal-clear vocals with minimal noise and distortion. Ideal for karaoke marathons, live concerts, or public speaking events—your voice takes center stage, every single time.
Popular upgrades
Product Highlights
Adjustment
Connection
Input
Support
Bluetooth®
Pairs well with
In stock! Ships within 3-5 business days.
30-day risk-free trial
1-Year Warranty
Complimentary shipping & returns
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
- No EU import duties.
- Ships within 1-2 business days.
- Ships in our biodegradable signature boxes. -
Customer Support
Give us a few details and we’ll offer the best solution. Connect by phone, chat, email, and more.
We are available Monday to Friday (9am-16pm GMT)
-
FAQ’s
Visit our FAQs page to find answers to common questions.
-
Contact Us
We'd love to hear from you. Our team is here to help. Visit our contact page to send us a message.
Product details
SPECS
Sound
- Subwoofer 8 inches
- Tweeter 2.36 inches
Speaker Power
- 120W
Frequency Range
- 50Hz-20KHz, - 10dB
Signalto-Noise Ratio
- ≥67dB
FEATURES
- AUX & USB Reader & TF Card
- Wireless Mic*2
- Music Instruments Input *2
- EQ Sound Model
- Knobs for adjustment
- Headphone Monitor
- TWS Connection
- Recording, Display, Live, etc.
DIMENSIONS & BATTERY
Length*Width*Height
- 25.0cm*30.3cm*46.3cm
Item Weight
- 13.8KG
Battery Capacity
- 10.8V / 7650mAh
Included in the Box
Speaker
User Manual
OTG, USB Cable, etc.
Wireless Mic*2
Remote Control
FAQs
we are so happy to have you here and as a client. We have tried to answer the most common questions.
How long will shipping take?
We ship from multiple locations around the world. For customers in the U.S., delivery usually takes 3–7 business days. For Europe and other regions, it typically takes 2–5 business days.
Does the speaker come with a warranty?
Yes, we offer a 12-month warranty on all products. If there’s any issue, our support team is here to help.
Can I pair two speakers for stereo sound?
Absolutely! Many of our models support True Wireless Stereo (TWS), allowing you to pair two units for a powerful 360° stereo experience.
Can I cancel or change my order after placing it?
We begin processing your order shortly after it’s placed to ensure quick delivery. If you need to cancel or make changes, please contact us at support@w-kingaudio.com or via live chat within 24 hours. Once your order has been shipped, it cannot be modified or intercepted. We’ll do our best to assist you if the order hasn’t yet been fulfilled.