Highlights
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Dual 20W RMS Audio Engine with 66mm Massive Drivers
Immerse yourself in rich, room-filling soundscapes driven by twin 10W high-velocity drivers, custom-engineered at a 66mm diameter to project sweeping mid-tones and deeply resonant bass responses
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Integrated 4-Mode Visual RGB Spectacle Engine
Elevate your multi-sensory environment with stunning LumiSound ambient light tech, featuring 4 customizable dynamic RGB modes that sync with your rhythms to illuminate any party or desktop layout
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Massive 4000mAh Battery & IPX5 Splashproof Build
Bring your music to the poolside, yard, or beach without hesitation, thanks to an industrial IPX5 weatherized shell paired with an ultra-high capacity 4000mAh reservoir built for absolute outdoor defense
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Versatile Multi-Format Lane & Lossless Audio Support
Unlock complete playback independence via Bluetooth 5.3, USB, or TF card lanes (up to 64GB) with native hardware decoding for premium lossless formats including FLAC, APE, WAV, WMA, and MP3
Specification:
Brand / Manufacturer:
Promate
Model Name & Series:
LumiSound Bluetooth Speaker (Spectro-20 Series)
Continuous Power Output (RMS):
10W + 10W (Total 20W High-Performance Stereo Output)
Acoustic Driver Specification:
Twin 66mm High-Fidelity Full-Range Driver Units | 3Ω Speaker Impedance
Frequency Response Spectrum:
40Hz – 18KHz Wide Dynamic Range Performance
Acoustic Signal & Noise Rating:
≥83dB High-Clarity Signal-to-Noise Ratio (SNR)
Wireless Connection Protocol:
Bluetooth V5.3 High-Stability Wireless Audio Architecture
Digital Media Interface Matrix:
Wireless Bluetooth | USB Flash Drive Port | TF / Micro SD Card Reader Slot
External Storage Support & Formats:
Supports USB / TF-Card Capacities up to 64GB | Decodes MP3, WMA, WAV, APE, and FLAC Lossless Media
Integrated Atmosphere Lighting:
LumiSound Multi-Color RGB Array with 4 Selectable Operational Modes
Battery Component Capacity:
4000mAh Ultra-High Density Rechargeable Lithium Core
Battery Endurance & Power Profile:
Continuous Audio Playtime: 3 to 4 Hours | DC 5V ⎓ 1A Input Power (3-Hour Full Charge Cycle)
Environmental Protection Rating:
IPX5 Certified Splashproof Weather-Resistant Architecture





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