JBL Authentics 300 vs Yeahbox Sonic Boom Max 3

Short answer: the JBL Authentics 300, since the Yeahbox Sonic Boom Max 3’s specs are manufacturer-claimed. The Yeahbox claims 200W RMS (300W peak) from a true 3-way, 5-driver array, but it is a budget import brand with limited independent testing. The Authentics 300 integrates Amazon Alexa and Google Assistant simultaneously, though it sounds narrow and its bass is not as deep as others.

What the JBL Authentics 300 gets right: Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). The tradeoff: Narrow sounding, bass not as deep as others.

On the Yeahbox Sonic Boom Max 3 side: 200W RMS (300W peak) true 3-way, 5-driver array. Set against that: A budget import brand with limited independent testing - specs are manufacturer-claimed.

Buy the JBL Authentics 300. It is rated higher for sound quality, and the $93.86 you would save on the Yeahbox Sonic Boom Max 3 does not close the gap.

Water resistance is not close: the Yeahbox Sonic Boom Max 3 is rated at IPX6 (powerful water jets), well ahead of the JBL Authentics 300 at no water resistance.

Want more options? Browse the full Portable Bluetooth rankings.

Specifications Side By Side

Related Speaker Comparisons

More top alternatives to JBL Authentics 300:

• Tribit Stormbox Blast vs JBL Authentics 300
• Harman Kardon Go + Play 3 vs JBL Authentics 300
• JBL Partybox Encore 2 vs JBL Authentics 300
• JBL Partybox Encore Essential 2 vs JBL Authentics 300
• JBL Partybox Encore vs JBL Authentics 300

Prices on this page were last checked September 23, 2026 at 11:24 PM 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.

As an eBay Partner, we may be compensated if you make a purchase.

The Two Speakers In Full

JBL Authentics 300: $299.95 Amazon eBay

Pros: Integrates both Amazon Alexa and Google Assistant simultaneously (rare for smart speakers). Retro seventies design with leather and Quadrex grille. 100-watt amp, carries well with leather-trimmed handle. Rechargeable battery rated ~8 hours. Measured bass extension of 45Hz (-10dB).

Cons: Narrow sounding, bass not as deep as others. Peaky upper mids. No TWS. No IP rating. Not as loud as others. Not much battery life.

Full JBL Authentics 300 review and specifications →

Amplifier Power	100W
App	Yes
Aux Input	No
Bass Extension (-10dB)	45Hz
Battery Life	8 hours (Manufacturer specified)
Bluetooth Codecs	SBC
Bluetooth Version	5.3
Built-in Microphone	Yes
Digital Aux Input	No
Dimensions	13.5" x 7.7" x 7.1" (342 x 195.6 x 180.3 mm)
Drivers	1" tweeter + 4" woofer + passive radiators
EQ	Yes (App EQ)
IP Rating	None
Maximum SPL	100dB (measured by Alan Ross Reviews)
MicroSD Playback	No
Omnidirectional	No
Party Mode	Yes (Wi-Fi Multi-Room)
Power Bank	No
Power Input	AC Power cable
Stereo	Partially (1 woofer)
TWS	Yes
USB Playback	Yes
Voice Assistants	Amazon Alexa & Google Assistant (simultaneous)
Weight	10.8 lbs (4.9 kg)
Wi-Fi	Yes

• Links
  • Official JBL Authentics 300 Product Page
• Reviews, Comparisons and Sound Samples
  • JOY‘s 🎧3D🔈Audio-Show: JBL Authentics 300 - sound quality test More from Oluv’Sone →
  • Oluv Patreon: JBL Authentics 300 - update
  • Oluv Patreon: JBL Authentics 300 - listening session
  • Alan Ross Reviews: Not quite! JBL Authentics 300 review and sound test vs Boombox 3, Encore and Stormbox Blast More from alanrossreviews →
• Head-to-Head Comparisons
  • JBL Authentics 300 vs JBL Boombox 2
  • JBL Authentics 300 vs B&O Beolit 20
  • JBL Authentics 300 vs W-King X20
  • JBL Authentics 300 vs Teufel Boomster 2021
  • JBL Authentics 300 vs W-King D20
  • JBL Authentics 300 vs Soundcore Boom 2 Plus
  • JBL Authentics 300 vs Tronsmart Bang Max
  • JBL Authentics 300 vs Zealot ZE01
  • See all 83 comparisons

Yeahbox Sonic Boom Max 3: $206.09 Amazon eBay

Pros: A large 3-way, 5-driver party speaker with claimed 200W RMS output, a 111Wh battery, USB-C fast charging, app EQ, TWS pairing, and aux, USB and microSD playback. Listener comparisons describe powerful bass, strong output and decent mids and highs for outdoor party use.

Cons: There is limited independent testing and the water/dust rating is reported inconsistently across listings. Listener comparisons find it less clear and refined than stronger boombox rivals, so its big bass and output are a better fit for parties than critical listening.

Full Yeahbox Sonic Boom Max 3 review and specifications →

Amplifier Power	200W RMS / 300W Peak
App	Yes
Aux Input	Yes
Battery Life	111Wh (14.8V/7,500mAh) (Manufacturer specified)
Bluetooth Codecs	SBC (inferred; additional codecs unverified)
Bluetooth Version	5.3
Digital Aux Input	No
Dimensions	20.7" x 8.3" x 10.6" (525 x 210 x 268 mm)
Drivers	189x114mm woofer, 2x 89mm midrange, 2x 38mm tweeters
EQ	Yes
IP Rating	IPX6
Lights	Yes
MicroSD Playback	Yes
Omnidirectional	No
Power Input	USB-C
Stereo	Yes
TWS	Yes
USB Playback	Yes
Weight	16.8 lbs (7.64 kg)

• Reviews, Comparisons and Sound Samples
  • Oluv Patreon: Zealot S89 vs Yeahbox Sonic Boom Max 3 More from Oluv’Sone →
  • Oluv Patreon: Zealot S89 vs Yeahbox Sonic Boom Max 3
  • Joy & Oluv’Sone: Zealot S89 vs Yeahbox Sonic Boom Max 3 - indoor listening fun
  • Joy & Oluv’Sone: Zealot S89 vs Yeahbox Sonic Boom Max3 - outdoor test
• Head-to-Head Comparisons
  • Yeahbox Sonic Boom Max 3 vs Skullcandy Barrel
  • Yeahbox Sonic Boom Max 3 vs Sony ULT Field 7
  • Yeahbox Sonic Boom Max 3 vs Bugani Boost Max
  • Yeahbox Sonic Boom Max 3 vs Soundcore Rave Party 2
  • Yeahbox Sonic Boom Max 3 vs Tronsmart Bang Max
  • Yeahbox Sonic Boom Max 3 vs Onn Medium Party Speaker Gen 2
  • Yeahbox Sonic Boom Max 3 vs JBL Partybox On the Go
  • Yeahbox Sonic Boom Max 3 vs B&O Beolit 20
  • See all 52 comparisons