Rated Power
80W
Product Overview
Harmonai HJ-804 is a high-performance portable Bluetooth speaker, model HJ-804. It features an 80W high-power amplifier system, an 8-inch woofer, and a 2.75-inch tweeter, delivering rich, powerful bass and crisp, clear highs. Built-in 12.8V/5Ah lithium iron phosphate (LiFePO4) battery ensures safety, reliability, and extended runtime. Supports wireless Bluetooth connectivity, TWS dual-speaker pairing, and multiple wired inputs: USB / AUX / OTG / MIC. Each of the three channels (Ch1/Ch2/Ch3) offers independent adjustment of volume, treble, effects, and bass—meeting professional-grade audio tuning requirements. Whether for outdoor performances, commercial events, or home gatherings, the Harmonai HJ-804 delivers outstanding sound quality.
Woofer
8-inch woofer
Tweeter
2.75-inch tweeter
Battery Specification
12.8V/5Ah (lithium iron phosphate LiFePO4)
Input Interfaces
USB / AUX / OTG / MIC
Wireless Connectivity
Bluetooth / TWS pairing
Channel 1 Controls
Volume / Treble / Effects / Bass
Channel 2 Controls
Main volume / Music volume
Channel 3 Controls
Microphone volume / Treble / Effects / Bass
Featured Function
Microphone priority
Recommended Use Cases
Outdoor Performances & Street Promotions: 80W high power combined with a high-capacity LiFePO4 battery enables long-duration, cord-free operation—ideal for street busking, outdoor events, and square dancing.
Commercial Events & Meetings: Microphone priority automatically lowers background music during speech, while independent 3-channel EQ tuning meets hosting, public speaking, and small meeting needs.
Home Gatherings & Karaoke: Bluetooth connects seamlessly to smartphones, tablets, and other sources; TWS pairing of two HJ-804 units creates a wider soundstage for immersive home karaoke parties.
Educational & Training Applications: Multiple MIC input options support both wired and wireless microphones—perfect for classrooms, workshops, and voice amplification scenarios.
For more product details, bulk pricing, or technical support, please contact us—the Harmonai team is ready to provide expert assistance.
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