








Coolmusic Portable Acoustic Guitar Amplifier, for Performers On The Go, Built-in Bluetooth (40W Battery-Powered)
US$251.98
Estimated delivery: 2–7 business days ✓ Free shipping — over $200Description
Product Details Color:black Item Weight:7.89 kg Compatible Devices:Guitar, Keyboard Connector Type:plug in,usb,wireless Output Wattage:40 watts Power Source:Battery Powered Model Name:BP-40...
Delivery & Returns
Free shipping over $200
Orders of $200 or more ship free. No code needed.
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Product Details
- Color:black
- Item Weight:7.89 kg
- Compatible Devices:Guitar, Keyboard
- Connector Type:plug in,usb,wireless
- Output Wattage:40 watts
- Power Source:Battery Powered
- Model Name:BP-40
- Model Number:BP40
- Warranty Description:with 3-Year Warranty
- Number of Bands:2
- Speaker Size:8 inches
- Output Channel Quantity:2
- Amplifier Type:Solid State
- Item Dimensions D x W x H:11.4"D x 13.6"W x 15"H
- Built-In Media:Blu-ray
- Mfr Part Number:SB-122
About this item
- 40W HIGH‑FIDELITY STEREO SOUNDBuilt‑in 8‑inch woofer and 2‑inch tweeter unit, delivers punchy deep bass and crisp clear treble. Independent knobs for reverb, bass and treble allow you to fine‑tune tone for acoustic guitar, vocals, keyboard and street‑side performances.
- MULTIPLE‑CHANNEL AUDIO INPUT DESIGNEquipped with separate 6.35‑mm jacks for microphone, instrument and keyboard. It supports Bluetooth streaming, U‑disk music playback, 3.5‑mm AUX‑IN connection for phones, plus built‑in audio recording function to store your performance files.
- BUILT‑IN RECHARGEABLE POWER SUPPLY & PORTABLE FRAMEFully‑charged power system delivers 5‑10 hours of continuous outdoor working time. Light‑weight main body comes with a sturdy side carry handle; the slanted cabinet structure optimizes sound direction toward your ears while playing.
- COMPLETE LIVE‑SOUND EXPANSION PORTSComes with DI‑OUT port for linking external mixing consoles in large‑size gigs; headphone jack enables quiet private practice (the built‑in speaker will auto‑mute when headphones are plugged in); 9V power outlet can supply power for your guitar effect pedals.
- SHOCK‑RESISTANT CABINET FOR WIDE‑RANGE USAGEWear‑proof leather‑textured shell with four reinforced corner bumpers to avoid bumps during transit. Well‑suited for street busking, home practice, small gatherings and live‑streaming. The universal power adapter works under 110V‑230V worldwide voltage.
- Choose Us Confidently: At COOLMUSIC, your complete satisfaction is our ongoing mission. If you encounter any issues, such as parts damage or the product being unusable, please reach out to us anytime for any support.
Shipping Policy
Veltrix ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Veltrix will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@veltrixyou.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Veltrix replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.






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