Looking for the best Bluetooth speaker with SD Card slot? We’ve ranked 364 portable speakers by audio performance—from budget $50 models to audiophile-grade options. All recommendations prioritize neutral frequency response, accurate tonal balance, and deep bass extension, verified by expert reviewers like Oluv and Alan Ross. Last updated: 02/06/2026.
Unlike sponsored review sites, we provide complete transparency: honest pros and cons, detailed specs, sound samples, comparison videos, and links to measurements. Every ranking is backed by data from trusted, unbiased audio experts.
See this link for all portable speaker rankings by size and this link for speakers that are the best for a specific use
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- Small Speakers - Pocket-sized with surprising sound
- Medium Speakers - Best overall value and versatility
- Large Speakers - Deep bass in portable form
- Boombox Speakers - Premium sound meets portability
- Party Speakers - Big events, serious bass
- Large Party Speakers - Big events, even more serious bass
Small
The best small size speaker with a SD card slot is the Anker Soundcore Mini [Amazon]: $30
- Positives: Has an FM tuner, aux input and MicroSD. Quite cheap
- Negatives: Not quite as deep of bass as higher ranked speakers. No waterproofing
- App: No
- Aux Input: Yes
- Battery Life: 15 hours
- Bluetooth Codecs: SBC
- Built in Microphone: Yes
- EQ: No
- FM Tuner: Yes
- IP Rating: None
- MicroSD: Yes
- Party Mode: No
- Power Bank: No
- Power Input: Micro USB
- Stereo: No
- TWS: Yes
- Weight: 0.44lbs / 200g
- Reviews, Comparisons and Sound Samples
- Links
Medium
The best medium size battery powered speaker with a SD card slot is the Bogasing G4 [Amazon]: $49
- Negatives: Some boosted treble that’s wavy up top. Slighty dipped mids. Super Bass and vocal mode seem identical.
- App: No
- Aux Input: Yes
- Aux Latency: 16ms
- Bass Extension (-10dB): 56hz
- Battery Life: 24 hours
- Bluetooth Latency: 90ms
- EQ: No
- IP Rating: IPX7
- Max Volume: 100db
- MicroSD: Yes
- Party Mode: No
- Power Input: USB-C
- Stereo: Yes
- TWS: Yes
- Weight: 1.83lbs / 0.83kg
- Reviews, Comparisons and Sound Samples
Large
The best reasonably priced large size battery powered speaker with a SD card slot is the W-King T9 [Amazon] [Aliexpress]: $130
- Negatives: Peaks in the upper mids which makes it sound a bit harsh.
- App: No
- Aux Input: Yes
- Bass Extension (-10dB): 47hz
- Battery Life: 24 hours
- Bluetooth Codecs: SBC
- Built in Microphone: Yes
- EQ: No
- IP Rating: None
- Max Volume: 106db
- MicroSD: Yes
- Party Mode: No
- Power Bank: Yes
- Power Input: USB-C
- Stereo: Yes
- TWS: Yes
- Weight: 10.1lbs / 4.6kg
- Reviews, Comparisons and Sound Samples
- Alan Ross Reviews: W-King t9 party speaker vs Soundcore Rave Neo and Trance (Rave Mega) 🥳
- Alan Ross Reviews: W-King T9 or Soundcore Motion Boom - King vs World Champion! 👌
- Jay’s Straight Up Reviews & More: W-King T9 🆚 ONN Large Party Speaker -By Request for Big Tee. Can the Smaller T9 Hang With The ONN?
- Links
Boombox
The best boombox size battery powered speaker with a SD card slot is the Zealot ZE21 [Aliexpress] [Amazon]: $147
- Positives: The absolute best value for the bass performance, play time and max volume in the boombox class.
- Negatives: The heaviest and biggest boombox speaker around. A little rolled off up top and not that balanced through the rest of the range. Clarity isn’t as good as better speakers. Bass EQ is bloated and muddy sounding
- App: No
- Aux Input: Yes
- Bass Extension (-10dB): 36hz
- Battery Life: 40 hours
- Bluetooth Codecs: SBC
- Bluetooth Latency: SBC
- Built in Microphone: No
- EQ: Yes (multiple modes)
- IP Rating: IPX6
- Max Volume: 116db
- MicroSD: Yes
- Party Mode: No
- Power Bank: Yes
- Power Input: USB-C
- Stereo: Yes
- TWS: Yes
- USB Playback: Yes
- Weight: 20.4lbs / 9.27kg
- Reviews, Comparisons and Sound Samples
- Jagist reviews: Jbl Boombox 4 Vs Zealot Ze21!!!
- Jagist reviews: Zealot Ze21 Vs Tribit Stormbox Blast 2!!!
- Techder Audios: JBL Boombox 4 VS Zealot ZE21 BATTLE OF THE BOOMBOXES!
- Jay’s Straight Up Reviews & More: Zealot ZE21 vs JBL Boombox 3 Tailgater Special @20ft. The Budget Beast Against the OG Boombox
- Links
Party
The best party size big party battery powered speaker with USB stick playback is the JBL Partybox Stage 320 [Amazon] [Bhphotovideo] [Ebay refurbished]: $450
- Positives: Handle and wheels are convenient. Customizable color lighting modes. Keeps more bass than the 310 at high volume. Removable battery.
- Negatives: Slightly sibilant in the treble at full blast. Very large. Note, JBL daisychain is not compatible with any other non-JBL speaker and is possibly a fully digital signal.
- App: Yes
- Aux Input: Yes
- Battery Life: 18 hours
- Bluetooth Codecs: SBC
- EQ: Yes (5 band)
- Guitar Input: Yes
- IP Rating: IPX4
- Microphone Input: Yes
- Party Mode: Yes (Auracast)
- Power Bank: Yes
- Power Input: AC Power cord
- Removable Battery: Yes
- Stereo: Partially
- TWS: Yes
- USB Playback: Yes
- Weight: 36.4lbs / 16.5kg
- Reviews, Comparisons and Sound Samples
- Oluv: JBL Partybox 320 vs 520 - indoor listening session
- Oluv: JBL Partybox 320 vs 520 - outdoor test
- Jay’s Straight Up Reviews & More: JBL Partybox Stage 320 vs 310 🛜 Defcon 5🚨 Bass Alert! Take Shelter Immediately! 😲 Best Bass Goes To?
- Jay’s Straight Up Reviews & More: JBL Partybox Stage 320 vs 310 🥳 A Family Feud! Battery Powered🔋Bluetooth Party Speakers Face-Off🤬
- GYMCADDY: JBL PartyBox Stage 320 Review - Big Upgrades Everywhere, Worth The Upgrade
- Links
Large Party
The best large party size non-battery Bluetooth speaker with USB stick playback is the JBL Partybox Ultimate [Amazon] [Bhphotovideo]: $1300
- Positives: Absolute deepest bass of any Bluetooth speaker. Handle and wheels are convenient. Very nice lightshow ability.
- Negatives: Very large and heavy. No battery. Note, JBL daisychain is not compatible with any other non-JBL speaker and is possibly a fully digital signal.
- App: Yes
- Aux Input: Yes
- Battery Life: No Battery
- Bluetooth Codecs: SBC
- Built in Microphone: No
- EQ: Yes (3 band)
- Guitar Input: Yes
- IP Rating: IPX4
- Microphone Input: Yes
- Party Mode: Yes
- Power Bank: Yes
- Power Input: AC Power cord
- Stereo: Yes
- TWS: Yes
- USB Playback: Yes
- Weight: 87lbs / 39kg
- Wifi: Yes
- Reviews, Comparisons and Sound Samples
- GYMCADDY: JBL Partybox Ultimate Vs SOUNDBOKS 4 & Sony XV900 - Is It Worth It?
- GYMCADDY: JBL Partybox Ultimate Vs Partybox 710 - They’re Both Crazy, But There Is A Clear Winner
- Flossy Carter: JBL PartyBox Ultimate VS JBL PartyBox 1000 - Which Speaker is The BEST?
- GYMCADDY: JBL Partybox 720 Vs JBL Partybox Ultimate
- GYMCADDY: Sony ULT Tower 10 Vs JBL Partybox Ultimate & JBL Partybox 710
- Links
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