6 risers combo 2 layer PCB bard...
Mecer USB Amplified Speaker (2 x 5W Channel) - Black
BLUETOOTH AUDIO DEVICES CAN CONNECT TO SOUND SYSTEMS
• 2.1CH Hi-Fi Multimedia Speaker• High quality in-built amplifier for powerful bass• Multimedia ready for gaming experience• Enhanced sub-woofer with acoustic airflow technics• Support independent play from USB Stick, SD & MMC Card• Magnetically shielded safe for use near video monitors• Low distortion circuit for distinct sound
Tanko JM-180 presenter/speaker
Tanko JM-250 w/less preseter
Wireless Bluetooth Speaker Wireless 360° speaker for full, freakishly good sound Frequency range: 90 Hz - 20 kHz Connections: AUX In, Bluetooth, NFC Power supply: Li-Ion battery, charges via micro USB Playback time up to 15 h
The Z906 5.1 speaker system delivers powerful, theater quality acoustics for your movies, music and games Hear every detail all around you in your Dolby digital or DTS encoded soundtrack This speaker system offers flexibility to set up your system the way you want. Connect up to six audio sources to this sound system