Roland MA-8 Black Stereo Micro Monitors

These Used MA-8 work fine.

The MA-8BK Stereo Micro Monitors are a black version of Roland's popular MA-8 powered stereo system. They feature 10cm woofer and 4.7cm tweeter with 2x8W high-quality amplifier, 2 stereo line inputs plus a mic input, individual Bass/Treble controls, and headphone jacks. Magnetically shielded for placement near a computer monitor. Compact design allows convenient placement in crowded desktop environments.
FEATURES

10cm woofer and 4.7cm tweeter speakers
2x8W high-quality amplifier
Two stereo line inputs plus a mic input
Individual Bass/Treble controls
Headphone jack
Magnetically shielded for placement near a computer monitor
Compact design perfect for desktop environments