BSK-40 40W Portable Acoustic Amplifier
Elevate your performance anywhere with the BSK-40—an all-in-one, battery-powered acoustic amp built for live streaming, recording, stage shows, and outdoor gigs. Its rugged wood-and-aluminum enclosure and waterproof carry bag make it as portable as it is powerful.
Key Features
40W RMS Power: Delivers clear, full-range sound for guitar, vocals, and backing tracks.
Dual Inputs with Digital Effects
Guitar & Mic Channels: Separate volume controls and high-impedance inputs (1MΩ for guitar, 5.6KΩ for mic).
Reverb, Chorus & Delay: Independent mix-ratio knobs ensure effects never clash.
Built-In Drum Machine: 20 preset patterns—perfect for songwriting, practice, or solo performance.
6-Hour Rechargeable Battery: Integrated power indicator and USB charging output (5V/1A) for your devices.
Versatile I/O
XLR DI Out: Send a clean signal to mixers or PA systems.
Two 3.5 mm Jacks & USB-C OTG: Stream or record directly to smartphones and tablets.
AUX-In & MP3 USB Port: Plug in external music players or USB drives (MP3/WMA) for background tracks.
Headphone Monitor Out: Zero-latency monitoring with dedicated mute and volume controls.
Cascading Design: Built-in support holes and 270° elevation angle let you stack multiple units for larger setups.
Portable Protection: Includes a custom waterproof storage bag—ready for any environment.
Technical Specifications
| Specification | Details |
|---|---|
| Power Output | 40 W RMS |
| Speaker Configuration | 6.5″ woofer (4 Ω, 50 W) & 2.75″ tweeter (8 Ω, 15 W) |
| Channels | 2 (Guitar & Mic) |
| Input Sensitivity | Guitar: –11.5 dBV, 1 MΩ Mic: –41 dBV, 5.6 KΩ |
| Effects | Reverb, Chorus, Delay |
| Drum Machine | 20 Patterns |
| Battery | 18.5 V / 5.2 Ah Li-ion (≈6 hrs) |
| Charging / Power | AC100–240 V → DC24 V/2.5 A adapter USB 5 V/1 A |
| Dimensions (D × W × H) | 9.61″ × 11.81″ × 9.45″ (244 × 300 × 240 mm) |
| Weight | 5.7 kg |
| Enclosure | Wood, Aluminum Alloy, Leather |
| Finish | Black |
Ideal For: Acoustic guitarists, singer-songwriters, street performers, content creators, and anyone seeking a compact, feature-rich amp solution—indoors or out.
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