Sell USB speaker - NB-04

USB speaker - NB-04 You May Also Be Interested In: digital amplifier great energy neodymium magnets portable devices usb speaker
Add quality stereo sound and enjoy music while you work at your notebook computer.

NB-04 speaker system is optimized for portable devices, such as laptop, with convenient active control. The NB-04 draws the power and audio signal through a USB device connection. No batteries/AC power source and audio cable are required.

With built-in Class-D digital amplifier, the NB-04 delivers high performance sound quality. Compact, lightweight and foldable design makes the NB-04 ideal for business traveler


- 2-piece stereo USB speaker system
- Total Power Output 2W provides ample volume for wide-range stereo sound
- Power and signal supplied via USB. No external power supply and audio cable required
- Neodymium magnets produce great energy output for greater speaker movement, power, and sound accuracy
- USB digital audio signal delivers crisp and
clear sound
- Plug and play, no software driver required
- Built-in high performance Class D digital
- Compact and light-weighted
- Mute, Volume up & Volume down control
- Magnetically shielded


- Output Power (RMS) : 2W +2W
- Driver: 1" Full Range x2
- Frequency Response: 120Hz ~ 20kHz + 3dB
- P. M. P. O. : 100W
- S/N ratio : 60dB
- Input Power: USB power (5V, 500 mA)
- Power supply: USB plug
- Function control: Mute, Volume up & Volume down
- Dimension (WxHxD) : 49 x 108 x 43 mm
- Magnet type :NDFE
Brand Name
Supply Capacity
200,000 units
Available Colors
Condition of Goods
49 x 108 x 43 mm
Lead Time from Order to Shipment
30 days
Model Number
Minimum Order Quantity
1000 units
Power Requirements
Terms of Payment
L/C at sight or T/T
Terms of Sale
FOB ShenZhen or FOB Hong Kong
Warranty Coverage
labor and materials 1 year
207 g