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In stock
Free return within 15 days for all eligible items.Details
M. Opoku Enterprise
92%Seller Score
85 Followers
Shipping speed: Excellent
Quality Score: Excellent
Customer Rating: Average
Output Power: 120 W RMS — comprised of two 50 W woofers and two 10 W tweeters for balanced, powerful sound
Bluetooth 5.2: approx. 10 m wireless range, low-energy codecs & stable connections
Frequency Response: 20 Hz–20 kHz — full audio spectrum
Battery Life: Up to 40 hours playback — variant listings show 4–6 h continuous but Amazon sources confirm ~40 h
Battery/Power: Built-in battery (≈24 000 mAh), DC 5 V charge, built-in power bank for device charging
Build: Weighs ~4.4 kg, size ~410 × 167 × 185 mm, includes phone stand accessory, strap for portability
Durability: IP67 waterproof & dustproof (some listings say IPX6, but device.report confirms full waterproofing)
Extras:
RGB LED lighting with multiple modes
AUX, USB, TF-card playback
Dual-speaker pairing — link multiple S78s for stereo or party mode
Output Power: 120 W RMS — comprised of two 50 W woofers and two 10 W tweeters for balanced, powerful sound
Bluetooth 5.2: approx. 10 m wireless range, low-energy codecs & stable connections
Frequency Response: 20 Hz–20 kHz — full audio spectrum
Battery Life: Up to 40 hours playback — variant listings show 4–6 h continuous but Amazon sources confirm ~40 h
Battery/Power: Built-in battery (≈24 000 mAh), DC 5 V charge, built-in power bank for device charging
Build: Weighs ~4.4 kg, size ~410 × 167 × 185 mm, includes phone stand accessory, strap for portability
Durability: IP67 waterproof & dustproof (some listings say IPX6, but device.report confirms full waterproofing)
Extras:
RGB LED lighting with multiple modes
AUX, USB, TF-card playback
Dual-speaker pairing — link multiple S78s for stereo or party mode
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