Terz amplifier by Critter and Guitari, $250 at critterandguitari.com Don't let its size (5-inches-by-3.4-inches-by-7-inches) and meager power requirements (four AA batteries) fool you, Critter and Guitari's Terz amplifier was built to harness the raw energy of Jack White's Third Man Records. The portable, powder-coated amp is made in America and sounds great with all audio sources, including guitar, synthesizer, and voice. Photo 6 of 10 in Editor's Picks: New Gifts for the Tech Geek by Luke Hopping

Editor's Picks: New Gifts for the Tech Geek

6 of 10

Terz amplifier by Critter and Guitari, $250 at critterandguitari.com

Don't let its size (5-inches-by-3.4-inches-by-7-inches) and meager power requirements (four AA batteries) fool you, Critter and Guitari's Terz amplifier was built to harness the raw energy of Jack White's Third Man Records. The portable, powder-coated amp is made in America and sounds great with all audio sources, including guitar, synthesizer, and voice.