Zealot S78 Specifications and Review

Last updated: August 12, 2026

The Zealot S78 ranks #73 out of 73 total Boombox Size Portable Bluetooth Speakers for sound quality. See Top Recommended Speakers By Attribute for all the top speaker suggestions.

Brand: Zealot

#73 Zealot S78: $91.38 Aliexpress Amazon

Pros: 120W RMS output with 150W peak power, exceptional 40-hour battery life, power bank function, IP67 waterproof, EQ with multiple modes, dual woofers with tweeters and passive radiators, MicroSD and USB playback, AUX input, TWS stereo pairing, USB-C charging

Cons: Gets distorted above 50%. Not much bass. Volume level fluctuates at high volume.

How it compares: Just above it: Artsound PWR05 - $708 more, 30 fewer hours of battery life.

AppNo
Aux InputYes
Battery Life40 hours (Manufacturer specified)
Bluetooth CodecsSBC
Built in MicrophoneNo
Digital Aux InputNo
Dimensions16.1" x 6.6" x 7.3" (410 x 167 x 185 mm)
Drivers2x ~120mm (4.72") woofers + 2x ~42mm tweeters + 2x passive radiators
EQYes (multiple modes)
IP RatingIP67
MicroSD PlaybackYes
Output Power120W RMS / 150W peak
Party ModeNo
Power BankYes (USB-A)
Power InputUSB-C
StereoYes
TWSYes
USB PlaybackYes
Weight9.7 lbs / 4.4 kg

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