Coolmusic BP40D Powered Acoustic Guitar Amplifier- Portable Bluetooth Speaker 80W W/Battery with Reverb Chorus Delay Effect, 6 Inputs,3 Band EQ, Black
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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.
Bottom line: The Coolmusic BP40D Powered Acoustic Guitar Amplifier- Portable Bluetooth Speaker 80W W/Battery with Reverb Chorus Delay Effect, 6 Inputs,3 Band EQ, Black is a specs-and-price decision rather than a crowd-consensus one in the audio & midi category, priced around $209.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.
Pros & Cons
Pros
- ✓ Backed by COOLMUSIC's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
SpecPicks Verdict
SpecPicks scored Coolmusic BP40D Powered Acoustic Guitar Amplifier- Portable… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the audio & midi category. COOLMUSIC's audio & midi lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for audio & midi of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Key Features
- 【6 Channel】It is able to plug in 6 different instruments together, such as guitar, piano keyboard, microphone, etc. 3 Band Balance meet the needs of various music style and the built-in reverb effect ensures natural and echo-like sounds.
- 【80 Watt】It has enough power for your needs, able to fit in different situations like live, studio, solo performance and practice, giving you more freedom to control your sound to be heard over the other musicians without pushing your amp out of its optimal operating range.
- 【Bluetooth】Provide with options of wireless connection, phone input, CD/MP3 input, and USB plugin, it is able to fit in the different connection types, it is convenient and useful with its master control, headphone input and DI output.
- 【Condenser microphone switch】: The microphone interface is designed with 48V phantom power, compatible with condenser microphones and dynamic microphones.
- 【Rechargeable】It 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.
Full Specifications
| Brand | COOLMUSIC |
|---|---|
| Color | Black |
| Material | Metal |
| Model Name | BP-40D |
| Connectivity | Bluetooth, USB |
| Model Number | BP40D |
| Power Source | Corded Electric |
| Speaker Size | 6.5 Inches |
| Compatibility | Switch |
| Amplifier Type | Solid State |
| Connector Type | ['6.35mm microphone input', '6.35mm instrument 'RCA line '3.5mm AUX 'Bluetooth'] |
| Output Wattage | 80 Watts |
| Connection Type | Wireless |
| Mfr Part Number | SB-122 |
| Number of Bands | 3 |
| Compatible Devices | Keyboard |
| Enclosure Material | Metal |
| Output Channel Quantity | 2 |
| Item Dimensions D x W x H | 11.61"D x 15.74"W x 10.26"H |
Ready to buy?
Coolmusic BP40D Powered Acoustic Guitar Amplifier- Portable Bluetooth Speaker 80W W/Battery with Reverb Chorus Delay Effect, 6 Inputs,3 Band EQ, Black is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.
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