Turtlebox vs Zealot S78

Last updated: October 9, 2026

Short answer: the Turtlebox Gen 3 for better sound quality, the Zealot S78 for the lower price, though neither ranks well in its class. The Turtlebox ranks higher than the Zealot S78 (#87 vs #90 of 91 boombox speakers) but is discontinued. Its replacement, the Turtlebox Gen 3, is rated 2.1/5 at $430; the Zealot S78 is rated 2.0/5 at $159.68, $270.32 cheaper. Both are rated below 3.0/5 among the 91 boombox speakers; for better sound, the Tribit Stormbox Blast ranks #2 at $199.99.

Turtlebox vs Zealot S78

The case for the Turtlebox: Waterproof and crushproof, loud with punchy bass. The tradeoff: Sounds basically identical to the later Turtlebox Gen 2 and Turtlebox Gen 3: each generation mainly added features, not sound quality.

The Zealot S78 is the longer-running choice. A robust 9.7 lbs (4.4 kg) party speaker with claimed 120W RMS output, IP67 protection, USB-C charging, a power-bank function, aux, USB and microSD playback, TWS pairing and multiple EQ modes. It is rated for 40 hours of battery against 25 for the Turtlebox. It has an adjustable EQ, which the Turtlebox lacks. Watch for: At high volume, reviews report distortion and fluctuating level, so its headline power is more useful below its maximum setting.

Buy the Zealot S78 if price matters most. For better sound quality, the Turtlebox Gen 3, the replacement for the discontinued Turtlebox, is rated higher but costs $430.

Want more options? Browse the full Portable Bluetooth rankings.

Specifications Side By Side

Turtlebox Zealot S78
Price$329 Discontinued$159.68
Ranked#87 of 91 in Boombox Size Portable Bluetooth Speakers#90 of 91 in Boombox Size Portable Bluetooth Speakers
Aux InputYesYes
Bass Extension (-10dB)~65Hz-
Battery Life25 hours (Manufacturer specified)40 hours (Manufacturer specified)
IP RatingIP67IP67
MicroSD PlaybackYesYes
StereoYesYes
OmnidirectionalNoNo
Weight10 lbs (4.54 kg)9.7 lbs (4.4 kg)
BluetoothYesYes
Bluetooth CodecsSBCSBC
AppNoNo
EQNoYes (multiple modes)
TWSYesYes
Party ModeNoNo
Power BankNoYes (USB-A)
USB PlaybackNoYes
Built-in MicrophoneNoNo
Power InputAC Power brickUSB-C
Bluetooth Version4.05.3
Amplifier Power50W120W RMS / 150W peak
Dimensions12” x 7” x 8.7” (305 x 178 x 222 mm)16.1” x 6.6” x 7.3” (410 x 167 x 185 mm)
Drivers1x 6x9” (152x228mm) woofer + 1x 1” (25mm) tweeter2x ~120mm (4.72”) woofers + 2x ~42mm tweeters + 2x passive radiators
Digital Aux InputNoNo
Strap-Yes (detachable shoulder strap)

More worthwhile head-to-heads for Turtlebox:

Prices on this page were last checked October 9, 2026 at 8:01 AM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Turtlebox: $329 Discontinued eBay

Turtlebox ranking card

Newer model: the Turtlebox Gen 3, ranked higher, rated 2.1/5, released Feb 2025. See every Turtlebox generation.

Pros: Waterproof and crushproof, loud with punchy bass. 25 hour battery life (6 hours at full volume). Pairs with a second unit for stereo. Measured bass extension of ~65Hz (-10dB).

Cons: Sounds basically identical to the later Turtlebox Gen 2 and Turtlebox Gen 3: each generation mainly added features, not sound quality. The nearly identical Turtlebox Gen 3 measured a V shaped tuning, with boosted lows and highs and dipped mids, yet bass only down 10dB at about 65Hz, and only about 12W RMS from its amp; Turtlebox rated this one at just 50W. It rattles at high volume. Nowhere near its claimed 120dB at a standard one meter distance. It charges from an external AC power brick. Inside is essentially a car audio 6x9 two way speaker in a plastic box. Discontinued.

ReleasedDec 2018 (7 years ago)
Amplifier Power50W
AppNo
Aux InputYes
Bass Extension (-10dB)~65Hz
Battery Life25 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version4.0
Built-in MicrophoneNo
Digital Aux InputNo
Dimensions12” x 7” x 8.7” (305 x 178 x 222 mm)
Drivers1x 6x9” (152x228mm) woofer + 1x 1” (25mm) tweeter
EQNo
IP RatingIP67
MicroSD PlaybackYes
OmnidirectionalNo
Party ModeNo
Power BankNo
Power InputAC Power brick
StereoYes
TWSYes
USB PlaybackNo
Weight10 lbs (4.54 kg)

Zealot S78: $159.68 Amazon AliExpress eBay

Zealot S78 ranking card

Pros: A robust 4.4kg party speaker with claimed 120W RMS output, IP67 protection, USB-C charging, a power-bank function, aux, USB and microSD playback, TWS pairing and multiple EQ modes. Reviews find it very loud with useful bass and long claimed battery life, making it a credible choice for outdoor gatherings.

Cons: At high volume, reviews report distortion and fluctuating level, so its headline power is more useful below its maximum setting. It has no app-based EQ, and the bass and midrange refinement do not match better-established boombox speakers; assess its sound in person if tonal accuracy matters.

ReleasedMay 2023 (3 years ago)
Amplifier Power120W RMS / 150W peak
AppNo
Aux InputYes
Battery Life40 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version5.3
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
OmnidirectionalNo
Party ModeNo
Power BankYes (USB-A)
Power InputUSB-C
StereoYes
StrapYes (detachable shoulder strap)
TWSYes
USB PlaybackYes
Weight9.7 lbs (4.4 kg)