iOne Amplified Acoustic Guitar with Speaker System
Soundhole mounted speaker system, built-in battery system, can connect digital or analog devices (iPod, CD player, etc.) to play along with pre-recorded accompaniment through the instrument, can attach recording devices to guitar.
Price: $399 (i2 system, $299)
iB-One Amplified Acoustic Bass Guitar with Speaker System
Built-in high-end woofer, amplifier, and piezo-pickup; can connect digital recording devices, portable mp3 players, portable CD players, pedals, and computers/laptops; built-in 9-volt amplifier with 4-band EQ.