Hartke HD508 Bass Combo 4 x 8"

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Key Features

• 500W lightweight Class D bass amplifier
• Four 8-inch HyDrive hybrid cone speakers
• Paper/aluminum speaker cone technology
• 3-band EQ (Bass, Mid, Treble)
• Shape EQ control with variable filter
• XLR direct output for PA and recording
• Effects loop connectivity
• AUX input for practice tracks
• Headphone output for silent practice
• Removable caster wheels included
• Lightweight portable cabinet design

Powerful HyDrive Speaker System

The HD508 uses Hartke’s patented HyDrive speaker technology combining:

• Warmth of paper cone speakers
• Punch and attack of aluminum cones

The four 8-inch speakers provide:

• Fast transient response
• Tight low frequencies
• Clear mids and highs
• Wide audio dispersion

Hartke states that the 4×8" configuration delivers cone area larger than a single 15-inch speaker while maintaining better articulation and wider frequency response.

Sound & Performance

The HD508 is ideal for:

• Live stage performance
• Recording studios
• Rehearsals
• Small to medium venues
• Professional bass monitoring

Its lightweight Class D amplifier delivers strong output while keeping the combo portable at approximately 22.2 kg.

Many bass players appreciate its clarity, portability, and powerful stage volume. Some users on Reddit mention it performs exceptionally well for club gigs and rehearsal use with excellent punch and clean projection.

Specifications

Connectivity

• XLR direct output for PA systems
• Effects loop for pedals/processors
• AUX input for external audio devices
• Headphone output for silent practice

Build Quality

• Perforated steel grille
• Molded top handle
• Side carry handles
• Removable caster wheels
• Rugged cabinet construction

Best For

• Professional bass players
• Gigging musicians
• Studio bass recording
• Rehearsal rooms
• Church and live bands
• Rock, funk, jazz, metal, and fusion bass tones

Official Website

Hartke HD508 Official Product Page