The black stylish Gigabyte GP-S5500 USB Speakers ($30) comes with a built-in Class-D amplifier and is said to deliver “high quality of sound with low power consumption”.
Plug them directly into your computer’s USB port, no power adapter required.
Featrues:
- Built-in Class-D amplifier for quality sound under 1W
- USB powered, plug to play, no power adapter required
- Reflex tube to enhance bass performance
- Sphere cabinet desing, reducing standing wave inside and delivering more clear sound
- Magnetic shielding that allows speaker plcemnt next ot your monitor or television without on-screen color ditortion
Benefits of Class-D amplifier:
- High switch ration, low power wastage (low temperature), energy-efficient
- Overcome the bass extension limitations normally associated with small cabinets, and ensure a high power output
Specification:
- Total RMS Power: 1 Watts @ 4 ohms
- Frequency Response: 100Hz ~ 20KHz
- Drivers: 2.5″ full range X 2
- Dimensions: (W)103 x (H)103 x (D)80 mm