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Average Price: $12,210

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$599

$1500+

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Based on price data from 2 merchants for "Amphion BaseTwo25 Studio Bass Extension System". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Transform your studio monitor setup with the Amphion BaseTwo25 Studio Bass Extension System—a meticulously engineered solution for achieving full-range, three-way sound. This system boasts two passive subwoofers equipped with long-throw 10-inch low-frequency drivers and matching passive radiators, ensuring that your audio experience is both deep and immersive. With the powerful BaseAmp1200, offering 1,400 watts of crystal-clear power (700 watts per channel), the BaseTwo25 provides outstanding THD and noise specifications alongside a remarkable 127dB dynamic range.

The BaseTwo25 seamlessly integrates into your existing setup, enhancing your monitors' midrange clarity and power handling while reducing intermodulation distortion. This system retains stereo information down to the lowest octave, offering an unparalleled level of detail and accuracy. Whether you are mixing, mastering, or simply enjoying your favorite tracks, the BaseTwo25 provides a pristine auditory experience. Its footswitchable bypass and variable-level attenuator allow for nuanced control, making it adaptable to a wide range of studio environments.

Key Features:

  • Transforms stereo 2-way monitors into a full-range, 3-way system
  • Includes two passive subwoofers with long-throw 10-inch drivers
  • 1,400-watt, 700-watt-per-channel power amplifier
  • Retains stereo information down to the lowest octave
  • Frequency range: 20–100Hz (lowpass), 100Hz–200kHz (highpass), with max SPL of 127dB
  • Footswitchable bypass and variable-level attenuator
  • Four crossover settings: 40Hz, 60Hz, 80Hz, and 100Hz for easy integration

Product specs

Powered Yes
Speaker Size 4 x 10"
Driver Type Aluminum Cone
Total Power 1400W
Frequency Range 20 - 100 Hz +/-3dB (low pass), 100 Hz - 200 kHz +/-3dB (high pass)
Crossover Frequency Active 4th-order, selectable @ 40, 60, 80, 100 Hz
Maximum Peak SPL 127 dB SPL @ 1m
Input Types 2 x XLR
Output Types 2 x XLR, 2 x speakON
Other I/O 1 x 1/4" (footswitch)
Enclosure Type Rear Ported
Height 37.7"
Width 14.1"
Depth 15.1"
Weight 93 lbds.

FAQs

What is the primary purpose of the Amphion BaseTwo25 Studio Bass Extension System?

The Amphion BaseTwo25 is designed to extend the low-frequency response of studio monitors, providing accurate bass reproduction down to 20 Hz. It's ideal for professionals who require precise low-end detail in their mixing and mastering environments.

How does the Amphion BaseTwo25 connect to my existing studio setup?

The BaseTwo25 features 2 XLR inputs and outputs, allowing seamless integration with studio monitors and audio interfaces. It also includes speakON outputs for additional connectivity options.

Is the Amphion BaseTwo25 suitable for small studio spaces?

While the BaseTwo25 offers powerful bass extension, its size and weight (93 lbs) require consideration for smaller spaces. Ensure your studio can accommodate its dimensions and rear-ported design for optimal performance.

Can the crossover frequency on the Amphion BaseTwo25 be adjusted?

Yes, the BaseTwo25 features an active 4th-order crossover with selectable frequencies at 40, 60, 80, and 100 Hz, allowing you to tailor the bass response to your specific studio setup and preferences.

What kind of power does the Amphion BaseTwo25 require?

The BaseTwo25 is a powered subwoofer with a total power output of 1400W, ensuring robust performance suitable for professional studio environments.

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