The MAX 158 combo bass amp is an awesome practice amp, designed for all levels of players. Whether you're just learning to play or warming up backstage, the MAX 158 is a great bass amp to own. Peavey has added exclusive TransTube technology giving you two separate voicing selections Vintage and Modern each with its own distinct tone. With 15 watts of power, low, mid and high EQ controls driving an 8 inch speaker, this little amp really puts out some bass. Features: - 15 watts (rms) into 4 ohms - 8 inch speaker - Gain control - Modern/Vintage voicing switch with patented TransTube tube emulation circuitry - Low, Mid, and High EQ controls - CD/Line-In jacks - Headphone jack - Cover available - Weight Unpacked: 18.3 - Width Unpacked: 11.75 - Depth Unpacked: 9 - Height Unpacked: 14.25 - Weight Packed: 20.6 - Width Packed: 13.5 - Depth Packed: 10.5 - Height Packed: 15.25