Hartke's popular HD Series continues to grow with the addition of the high-powered, lightweight HD508 Bass Combo. Packing four 8" Hartke patented HyDrive speakers and a 500-watt Class D amplifier into a sleek enclosure weighing only 49 pounds, the HD508 provides exceptional bass tone to any rehearsal, stage or studio.

• Lightweight Class D combo amplifier that weighs 49lb
• 500 watts of power
• Four 8" HyDrive paper/aluminum hybrid cone drivers
• Top-mounted control panel
• Hartke's Shape EQ knob with variable filter
• 3-band (Bass, Mid, Treble) EQ
• XLR direct output
• 1/8" stereo Aux input
• 1⁄4" headphone output
• 1⁄4" bass input
• Effects loop
• Perforated steel grille
• Molded strap carry handle
• Two metal side carry handles
• Four removable casters included

• Amplifier: Class D, top-mounted control pane
• Rated Output Power: 500W Peak
• Rated Input Level: 77.46mv rms (@1kHz)
• Speakers: Four 8" paper/aluminum cone drivers
• Total Harmonic Distortion: 0.54% (@1dB below rated output)
• Signal To Noise Ratio: 1W/49.3dBu (1Wrms @1kHz)
• Equalizer Center Frequency: Bass: 70Hz, Mid: 700Hz, Treble: 5kHz
• Controls: Volume, Shape, Bass, Mid, Treble
• Shape Control: 100Hz–900Hz
• Input: 1/4" instrument, 1/8" stereo Aux
• Outputs: 1/4" headphone, XLR direct out
• Effects Loop: 1/4" Send, 1/4" Return
• Cabinet Design: 5/8" plywood, shelf port
• Grille: Perforated metal
• Handles: Molded strap (steel reinforced), 2x inset handles
• Additional: 4x removable casters, 8x protective corners
• Product Dimensions: 21.75" (551mm) x 20" (508mm) x 12" (305mm)
• Product Weight: 49lb (22.2kg)