Coolmusic BP40D Powered Acoustic Guitar Amplifier- Portable Bluetooth Speaker 80W W/Battery with Reverb Chorus Delay Effect, 6 Inputs,3 Band EQ, Blue
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Availability:
In Stock.
Arrives
Friday, Dec 5
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Color: Blue
Features
- 6 Inputs4 musical instrument inputs and 2 auxiliary inputs, which can fully satisfy a small band. It can connect 2 instruments (guitar, piano, keyboard, etc.), 2 microphones, two mobile phones or computers at the same time. Two independent EQ effects adjustment , Boost or attenuate the low-frequency, mid-frequency and high-frequency DB values.
- 80 WattDouble 6.5- inch woofer and Double 2-inch tweeter deliver clear, lifelike ,dynamic, powerful sound; A 80 watt continue power amplifier pumps up the volume.
- Bluetooth: Compatible with most BT devices, such as smartphone, tablet, laptop and so on, you can play accompaniment music while do guitar practice or enjoy the fun of music listening.
- Condenser microphone switch: The microphone interface is designed with 48V phantom power, compatible with condenser microphones and dynamic microphones.
- RechargeableIt can run up to 6-8 hours depends on the volume you use after 5 hours charge. And it can work with a connection directly to the electricity.
Brand: COOLMUSIC
Color: Blue
Compatible Devices: Guitar
Material: Plastic
Output Wattage: 80 Watts
Item Weight: 15.84 pounds
Product Dimensions: 4.03 x 6.2 x 4.57 inches
Item model number: BP40D
Batteries: 5 Lithium Polymer batteries required. (included)
Is Discontinued By Manufacturer: No
Date First Available: August 30, 2021
Color Name: Blue
Compatible Devices: Guitar
Connector Type: 3.5mm Jack
Speaker Amplification Type: active
Material Type: Plastic
Output Wattage: 80 Watts
Battery type: Lithium Polymer
Power Source: Corded Electric
Wattage: 80 watts
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Dec 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Black
I'm a fairly busy musician. I play at a small wine bar EVERY Friday and Saturday night. This thing is perfect for the small venue, and I pretty much have all inputs and volume controls set mid range and it sounds great. Of course, if I said it sounded awful, then that could be a direct reflection on me, and not the amp. haha. But I loved this unit so much, I bought a second one. I also live stream, with a very minimal setup, just using a spare phone. So the record output works perfect, running straight into the phone. Then I don't have so much background noise. There's plenty of inputs for me to occasionally play the guitar on some songs, then a keyboard plugged in for other songs. When the venue gets too noisy I just plug in some noise cancelling earbuds in to the headphone jack and it drowns everybody out. The battery life is really impressive. I usually play for just over 3 hours on a Friday (1 mic and electric piano). I leave everything set up and come back in the next night and play for 3 more hours, and there seems to still be about half battery left. (I've never run it down completely to see how long it lasts. Because of course everything shutting down in the middle of a gig might be embarrassing.) So then I just plug it in at home for the next week and it works great. It's super light and easy to lug around. I always put everything on a dolly for one trip, and the size of this thing is perfect. I highly recommend getting this thing. Like I said. I ended up buying two of them.
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Reviewed in the United States on July 28, 2023 by Danny Gali
Color: Black
I’ve been using the Coolmusic BP40D for outdoor and bar gigs, and honestly, it punches way above its weight. For such a compact amp, it delivers clear, powerful sound that cuts through outdoor noise and bar chatter without breaking a sweat. What really stands out is how portable it is—super easy to carry, set up, and get going. Plus, it’s got enough volume and clarity to handle live sets without needing to be pushed too hard. It handles vocals, acoustic instruments, and even backing tracks like a champ, making it a versatile go-to for gigging musicians. Build quality feels solid too. It’s taken a few knocks on the road and hasn’t missed a beat. For the price, it’s a serious steal. If you’re playing smaller venues or outdoor gigs and want something reliable, lightweight, and surprisingly loud, the BP40D is absolutely worth checking out.
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Reviewed in the United States on April 24, 2025 by luis Rodriguez luis Rodriguez
Color: Black
I don't know of a single battery-powered unit that can sound this good and loud, with fine rich tones and more than the COOLMUSIC BP40D Battery Powered Amplifier and Portable Bluetooth Speaker. I purchased the BP40D back in April 2024, and after the initial charge, in late April, I only had to attempt a new charge in late July 2024. Despite playing it outdoors with my acoustic-electric Martin guitar and a microphone plugged in, the charge held, from playing at an outdoor Boy Scout Jamboree to practice at home. I was first inspired to purchase it after a fellow musician, who did a lot of small gigs at campgrounds, senior homes, and more, told me he used the BP40D and its many qualities. It is absolutely, the best fit for a single musician or two to use, with both their instruments and microphones plugged in, without sacrificing rich Bose-like quality....yet at the most reasonable price ever. The size and portability are what sold me on it. I even stopped using my Boss Katana 100 W Amp, since this Coolmusic BP40D sounded better, had better reverb and gain, was lighter to transport, and did not require a separate sound system for singing or speaking! The output was also louder and clearer than my Boss Amp, as my guitar amplifier. Serious full-time musicians or part-time music enthusiasts like me can benefit from keeping one or more of these in their arsenal. I highly recommend for first-class Bose-like quality, without breaking the bank, in these tough economic times. You won't regret it. In addition, the Coolmusic Corporate office is extremely kind, helpful, and responsive to any questions or concerns you may have. I am 100% satisfied with both the product and the manufacturer. It is the BP40D Amplifier System and Bluetooth Speaker, for your electronic music needs.
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Reviewed in the United States on August 20, 2024 by Bernie Lutchman
Color: Blue
Many great features and long battery life. Clear sound. Very versatile. For the money, the feature set is tops. This one is listed as 80 watts—I do have a 30 watt Fender amp which is far louder, for comparison, but the number and types of inputs make this an astonishingly-usable, portable PA/amp. Line-in and BT work for phones to play backing music through it, but there is no EQ for those inputs and that sound option is a bit flat. The sound is “ok” for streaming music thru it, not as good as “party” BT speakers. However, I have used my phone, a mic, and guitar simultaneously and it does sound very decent in that combination. It has phantom power so you can use condenser mics, too, but for this kind of singer songwriter busker amp, a dynamic mic works better for me, anyway (less noise). My acoustic guitar with built-in preamp sounds excellent thru this amp. My electrics without external effects are “average”. It’s not specifically a guitar” amp, but more of a jack of all trades device. Seems made for busking solo or with a couple others. I’ve also used it for karaoke with my phone, usb sound card, and a mic. Have not tested it in a big space but I get an inkling you’d need the bigger models for that. I’d say this amp is good for a 30-foot radius in front of you performance—a medium room. The only thing it’s really missing is some improved EQ for line-in/BT. Overall, I like it a lot. Best in its class. The next step up is double the price, so….
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Reviewed in the United States on August 15, 2025 by Babs