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Average Price: $7,200

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$599

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Based on price data from 2 merchants for "Amphion FlexBase25 Studio Bass Extension System". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Transform your studio’s sound with the Amphion FlexBase25 Studio Bass Extension System. Designed to elevate your 2-way monitors into a full-fledged 3-way setup, this system is a game-changer for sound professionals seeking precision and power. The dual long-throw 10-inch low-frequency drivers are housed in a compact, single-box design, ensuring your studio remains clutter-free while delivering robust stereo bass. Unlike traditional mono subs, the FlexBase25 maintains stereo integrity across the entire frequency spectrum, offering unparalleled depth and clarity to your mixes.

Powered by the formidable FlexAmp1200, this system delivers a staggering 1,400 watts (700 watts per channel), ensuring your audio is both powerful and pristine. With a frequency range spanning 20–260Hz (lowpass) and 35Hz–200kHz (highpass), every note is captured with exceptional fidelity. The system features adjustable mono/stereo spread and a separate LFE-channel input, granting you unparalleled control over your sound environment.

Incorporating the FlexBase25 into your setup is seamless, enhancing the midrange clarity and power handling of your existing monitors. The system’s variable crossover frequency and bass level attenuation allow you to tailor the sound to meet the precise needs of any project, making it an indispensable tool for modern sound engineering tasks.

Key Features:

  • Converts stereo 2-way monitors into a full-range, 3-way system
  • Single-box, stereo bass system with dual 10-inch low-frequency drivers
  • 1,400-watt power amplifier with 700 watts per channel
  • Retains stereo information down to the lowest octave
  • Frequency range: 20–260Hz (lowpass), 35Hz–200kHz (highpass)
  • Separate LFE-channel input with +10dB sensitivity
  • Impressive THD and noise specs, 127dB dynamic range
  • Adjustable mono/stereo spread and variable crossover frequency
  • Enhances midrange clarity and power handling of existing monitors

Product specs

Powered Yes
Speaker Size 10"
Driver Type Aluminum Cone
Total Power 700W
Frequency Range 20 Hz - 260 Hz +/-3dB (low pass), 35 Hz - 200 kHz +/-3dB (high pass)
Crossover Frequency Active 4th-order @ 35-260 Hz
Maximum Peak SPL 117 dB SPL @ 1m
Input Types 3 x XLR
Output Types 3 x XLR, 1 x speakON
Other I/O 1 x 1/4" (footswitch)
Enclosure Type Sealed
Height 33"
Width 13.4"
Depth 12.6"
Weight 110 lbs.

FAQs

What is the frequency range of the Amphion FlexBase25 Studio Bass Extension System?

The Amphion FlexBase25 has a frequency range of 20 Hz to 260 Hz for the low pass, and 35 Hz to 200 kHz for the high pass, offering a broad spectrum of bass frequencies for studio monitoring.

What type of driver does the Amphion FlexBase25 use?

The Amphion FlexBase25 features a 10" aluminum cone driver, providing a robust and clear bass response suitable for professional studio environments.

How powerful is the Amphion FlexBase25 Studio Bass Extension System?

The Amphion FlexBase25 delivers a total power of 700W, ensuring ample headroom and dynamic range for accurate bass reproduction in studio settings.

What are the input and output options for the Amphion FlexBase25?

The Amphion FlexBase25 includes 3 XLR inputs and outputs, as well as a speakON output and a 1/4" input for a footswitch, offering versatile connectivity for various studio setups.

Is the Amphion FlexBase25 suitable for small studio spaces?

With a sealed enclosure and compact design, the Amphion FlexBase25 can fit well in small studio spaces while providing powerful bass extension without overwhelming the room acoustics.

Sound On Sound magazine

Sound On Sound magazine

Amphion FlexBase25 - AES 2018

Video thumbnail for Amphion FlexBase25 - AES 2018 by Sound On Sound magazine

Amphion FlexBase25 - AES 2018

Sound On Sound magazine

Sound On Sound magazine

Video thumbnail for FlexBase25 Bass Extension System - Explained by Amphion Loudspeakers

FlexBase25 Bass Extension System - Explained

Amphion Loudspeakers

Amphion Loudspeakers

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