W-KING K21 SE Compact Karaoke Bluetooth Speaker
All prices include applicable taxes
- 120W Powerful Full‑Range Sound: An 8‑inch woofer delivers deep, powerful bass, while the 2.36‑inch tweeter produces clear, detailed highs for an immersive full‑range listening experience.
- Bluetooth 5.4 + Flexible Connectivity: Enjoy a fast, stable wireless connection with Bluetooth 5.4, or connect your devices through multiple wired input options for versatile playback.
- Adjustable Sound Controls: Fine‑tune bass, treble, and other audio settings to create the sound you want for music, karaoke, parties, and live performances.
- Wireless Microphone Support: Enjoy clear, stable wireless microphone performance for karaoke, presentations, parties, and other vocal performances.
- Built for Music & Performance: With powerful 120W output, a large 8‑inch woofer, and versatile performance features, K21 SE is ready for parties, karaoke, outdoor events, and more.
Shipping Options
Shipping PolicyShop With Total Confidence
Fast & Free Shipping
30‑Day Money‑Back Guarantee
2‑Year Hassle‑Free Warranty
Lifetime Customer Support
- Our 30-day price match only applies to orders from our official website. All third-party platform purchases cannot participate in this price protection activity.
- We refund the price difference if you find a lower price on the same item within 30 days after you successfully place your order on our official store.
- Submit a screenshot of the cheaper price page via our official customer support email to claim your full price difference refund without any hidden fees.
- This offer is only valid during active promotional periods, and it cannot be used together with other store-wide discount coupons and bundle special offers.
Payment Method
Delivery Method
Features
Flexible Outdoor Performance
Built‑in multi‑preset EQ modes with independent adjustment for microphones, instruments and music tracks. Dual input channels let you hook up guitars and mics easily for backyard gatherings, small parties and casual live shows.
120W High‑Power Audio Output
Features an 8‑inch woofer paired with a 2.36‑inch horn tweeter. It delivers solid deep bass, crisp clear vocals and wide‑ranging sound coverage to fill indoor rooms and outdoor event spaces with rich immersive audio.
Dual Bass Passive Radiators
Two large passive radiators amplify low‑frequency performance for deeper, fuller bass response. Syncing dynamic RGB LED lighting pulses along with your music rhythm to liven up every party atmosphere.
WDSP Digital Sound Processing
Adopts W‑KING exclusive WDSP acoustic algorithm chip. It intelligently optimizes vocal and music signals, corrects audio distortion and delivers well‑balanced, studio‑tuned sound for karaoke and music playback.
OTG Livestream & Headphone Monitoring
Integrated sound card supports high‑quality OTG digital livestreaming to capture clean performance audio. The headphone monitoring port lets you monitor sound in real‑time for content creators and live performers.
Large‑Capacity Long‑Lasting Battery
Powered by premium 10.8V/7650mAh battery, delivers up to 6‑hour playtime at 70% volume. It supports 45W fast charging and works as a power bank to charge your mobile devices on‑the‑go during outdoor activities.
Smart Energy‑Saving Mode
Turn on energy‑saving mode to extend playback time by up to 30%. Great for long‑hour house parties and outdoor gatherings, preventing unexpected power loss so you can keep enjoying music without interruption.
Specs & Contents
Sound Performance
Driver
- 1× 8" woofer
- 1× 2.36" horn tweeter
Speaker Power
- 120W (RMS)
Frequency Range
- 65Hz-20KHz
Signalto-Noise Ratio
- ≥70dB
Tip: RMS reflects the realistic volume and clarity you’ll experience in daily use. Peak Power is the maximum power level the speaker can handle in short bursts—like a sudden beat drop or a powerful chorus.
Key Features
- ‑ 120W High‑Power Audio Output
- ‑ 8" Woofer + 2.36" Horn Tweeter
- ‑ Dual Passive Radiators with RGB Lights
- ‑ W‑KING WDSP Exclusive Acoustic Algorithm
- ‑ OTG Livestream + Headphone Monitoring
- ‑ Multi‑Preset EQ & Dual Instrument Inputs
- ‑ 7650mAh Large‑Capacity Battery, Power Bank Function
- ‑ Smart Energy‑Saving Playback Mode
Tech Specs
Audio Performance
- Output Power: 120W RMS (IEC60268)
- Frequency Response: 65Hz – 20kHz (-10dB)
- Drivers: 1× 8" woofer+1× 2.36" horn tweeters
- Signal-to-Noise Ratio (SNR): ≥70dB
Connectivity & Features
- Bluetooth Version: Bluetooth 5.4
- Wireless Range: Up to 10m (33ft)
- Input Modes: Bluetooth, 3.5mm AUX,TF,OTG,USB
- TWS Pairing: True Wireless Stereo for Dual-Speaker Surround Sound
Power & Battery
- USB-C Input: 5V/3A,9V/3A,15V/3A,20V/2.2A
- Battery Capacity: 10.8V/7650mAh
- Playtime: Up to 28 Hours
- Charging Time: 2.5-3 Hours
Physical Specifications
- Product Dimensions (W×H×D): 348mm × 404mm × 250mm / 13.7" × 15.91" × 9.84"
- Net Weight: 10.4 kg / 22.93 lbs
- Waterproof Rating: N/A
- Build:Sturdy Wooden Crate + Reinforced Steel Mesh
Package & Warranty
- Package Dimensions (W×H×D): 378mm × 434mm × 280mm / 14.88" × 17.09" × 11.02"
- Gross Weight: 11.9 kg / 26.24 lbs
- Warranty: 24-Month Limited Warranty
Product Overview
Concert-Quality Sound, Anytime, Anywhere
Unleash 120W 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 5.4 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.
What's in the Box
1 x W-KING K21 SE Speaker
1 x User Manual
2 x USB Charging Cable
1 x Remote Control
2 x Wireless Microphone
24-Month Warranty
