





Truffle-KTR26
The Truffle-KTR26 is the largest model in K-Array's Truffle passive subwoofer line, designed for installations requiring extended low-frequency output in a concealable cylindrical form. It pairs a 6.5-inch active driver with a 6.5-inch passive radiator to deliver omnidirectional bass from an aluminium enclosure with a powder matte finish.
Specifications
- Type: Passive subwoofer
- Transducers: 6.5-inch woofer plus 6.5-inch passive radiator
- Frequency Response: 45 Hz to 150 Hz / 500 Hz (-6 dB, with dedicated preset)
- Maximum SPL: 120 dB peak (crest factor 4, measured at 1 m)
- Rated Power: 100 W
- Coverage: Omnidirectional
- Nominal Impedance: 2 ohm
- Connector: 2-pin Euroblock (included)
- Dimensions (W x H x D): 182 x 176 x 341 mm
- Weight: 3.5 kg
- Material: Aluminium
- Colour: Black
- Finish: Powder matte
- IP Rating: IP64
Applications
The Truffle-KTR26 is suited to professional audio installations, hotel audio systems, restaurants, retail environments, and home theatre setups where substantial bass output is needed without a visible enclosure. Its omnidirectional pattern eliminates placement orientation constraints, and the cylindrical profile conceals in joinery, ceiling voids, or riser spaces. It is typically paired with the Azimut-KAMUT2V25 system and requires a K-Array amplifier with a dedicated preset.
Frequently asked questions
How does the KTR26 differ from the KTR25?
The KTR26 uses 6.5-inch drivers versus the KTR25's 5.25-inch drivers, producing 5 dB more peak SPL (120 dB versus 115 dB) and handling 100 W versus 80 W. It is also physically larger at 182 x 176 x 341 mm and has a nominal impedance of 2 ohm rather than 4 ohm.
Does the Truffle-KTR26 need a K-Array amplifier?
Yes. As a passive loudspeaker, it requires a dedicated preset loaded on a K-Array amplifier to achieve its rated frequency response and SPL.
Is the low 2-ohm impedance a concern for amplifier matching?
The 2-ohm nominal impedance requires an amplifier rated for that load. K-Array amplifiers with dedicated presets for the KTR26 are designed to drive this impedance correctly.
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
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FAQs
What is your return policy?
All refunds and returns are determined by the manufacturer's terms of sale. Change-of-mind refunds are not accepted, but all valid warranty claims will be managed by AKA Acoustics in compliance with consumer law.
How long will it take to receive my order?
Freight lead times will be provided upon order confirmation. Standard items typically ship within 4–6 weeks, while custom orders may take 6–12 weeks.
Is my payment information secure?
Yes, all payments are securely processed through Stripe and are protected under their Terms of Service. AKA Acoustics do not store any payment information ourselves.
How are freight costs calculated?
Freight costs are determined at the time of quotation to ensure accurate pricing based on your specific order. For any questions, please email sales@akaacoustics.com
How can I contact support?
For account inquiries, email accounts@akaacoustics.com. For order support, email sales@akaacoustics.com.

