Hartke HA4000 Bass Amplifier Head 400W Rackmount Bass Amp Head

Hartke HA4000 Bass Amplifier Head 400W Rackmount Bass Amp Head

The Hartke HA4000 is a powerful and versatile 400-watt bass amplifier head designed for both stage and studio use. Known for its punchy tone and flexible EQ section, the HA4000 provides plenty of headroom and tonal shaping options for modern bass rigs.

With two independent inputs, the amp easily accommodates both passive and active bass guitars, while the 4-band EQ with dual sweepable parametric mid bands allows precise control over your sound. Hartke’s unique Shape contour filter and DBASS harmonic enhancer add depth and punch, helping bass tones sit perfectly in a mix.

The HA4000 also includes balanced XLR direct output for sending your signal directly to a mixing console, making it ideal for live performances and recording setups.

Key Features

• 400 watts of power into 4 ohms
• Two inputs for passive and active basses
• 4-band EQ with dual sweepable parametric mids
• Shape contour filter with adjustable intensity
• DBASS harmonic bass enhancement
• Dedicated SBASS subharmonic output for subwoofer systems
• Balanced XLR direct output with ground lift
• Pre-EQ and Post-EQ effects loops
• Dual speaker outputs
• Fan-cooled design for reliable operation
• Mute switch and tuner output

Connectivity

• ¼" instrument inputs
• Dual ¼" speaker outputs
• XLR balanced direct output
• ¼" line output for slave amplifiers
• Pre-EQ and Post-EQ effects loops
• Footswitch mute input
• Dedicated tuner output

Condition

• Previously owned
• Shows cosmetic wear consistent with normal use
• Fully operational and functions as intended

Ideal For

• Live bass rigs
• Studio bass recording setups
• Bassists needing high headroom and flexible EQ
• Pairing with Hartke aluminum speaker cabinets

• At Tone House, we're not just sellers, we're passionate musicians, gear aficionados, and seasoned professionals dedicated to the craft of making music. We take pride in our curated music collection. We love giving these vintage and rare pieces new life through maintenance and upkeep. Our goal is for these units to be at their optimal performance before going to their new homes.  Every item you acquire from us undergoes a meticulous inspection process conducted by our team of enthusiasts, studio engineers, and live performers. With full-time technicians on staff, rest assured that each piece is thoroughly examined and tested before being professionally packed.

All orders placed by 2 pm are processed the same day. This ensures that your gear is swiftly prepared for shipment, guaranteeing prompt delivery in the condition promised. Once your order is in transit, automatic tracking information is provided, allowing you to monitor its journey from our shop to your doorstep with ease.

The units/items you see in our pictures are precisely what you'll receive. Have questions? Feel free to ask before making a purchase. Additionally, we offer custom modifications, within reason, to many of the guitars and products we sell, ensuring they perfectly suit your unique requirements.

Our dedication to your satisfaction doesn't end with the purchase. We value your feedback and strive for excellence in every transaction. If, for any reason, you're not completely satisfied, please reach out to us before leaving feedback. Your happiness is our priority, and we're here to ensure your musical journey is nothing short of exceptional.

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Please note that additional shipping charges may apply to buyers in Hawaii, Alaska, Puerto Rico, and the Virgin Islands. Feel free to contact us for shipping rates before making your purchase.

For Returns: Your satisfaction is our priority. If for any reason you're not completely satisfied with your purchase, please don't hesitate to reach out to us via message. We're here to address any concerns and ensure you have a positive experience with Tone House.

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