Buy Funktion One Branded E45 Mk2, F40Q & F60Q Amplifiers | musicconcertevent.com

If you have been searching for Funktion One amplifiers for sale from a verified source with full provenance documentation, this listing covers exactly what you need. At musicconcertevent.com, we have five Funktion One OEM branded amplifiers available across three models: two MC2 E45 Mk2 units, two Full Fat Audio F40Q (FFA4004) units, and one Full Fat Audio F60Q (FFA6004) unit. All five units come from a fixed club installation, are in very good condition, are perfectly working, and all come in their original boxes.

Original boxes on used professional amplifiers is a detail that matters beyond aesthetics. It confirms these units have been stored correctly from the point of installation and confirms they were handled with sufficient care that factory packaging was retained. For buyers who need to ship these amplifiers onwards or resell them, original boxes add direct practical and financial value.

The Funktion One OEM branding on all five units is original factory branding applied at the time of manufacture. These are not generic MC2 or FFA amplifiers with branding added later. Each was specified, integrated, and branded by Funktion One as part of an official system installation package. For engineers and production companies running Funktion One passive speaker systems, OEM-matched amplification with this provenance is exactly what they are searching for. Everything ships worldwide from musicconcertevent.com.

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What Are Funktion One Branded Amplifiers

Funktion One is a British loudspeaker manufacturer known globally for acoustic precision and high-output passive speaker systems deployed in the world’s most demanding club and festival environments. When Funktion One brands an amplifier, it means that amplifier has been selected, evaluated, and integrated into an official Funktion One system package. The co-branding is a technical endorsement confirming the amplifier meets the acoustic and electrical requirements of Funktion One’s passive speaker systems.

Funktion One has historically worked with two British amplifier manufacturers for their OEM branded units: MC2 Audio for their E Series amplifiers and Full Fat Audio for their F Series amplifiers. Both manufacturer relationships produce amplifiers that are technically identical to the standard manufacturer products, with the addition of Funktion One branding and integration into official system packages. This listing covers both families simultaneously, offering buyers the choice between MC2 Audio’s two-channel E45 Mk2 platform and Full Fat Audio’s four-channel F Series platform within a single purchase opportunity.

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MC2 Audio E45 Mk2 Funktion One Branded For Sale: 2 Units

The MC2 Audio E45 Mk2 is the second-generation version of the MC2 E45, delivering 2×2,500W at 4 ohms across two independent channels. The Mk2 designation indicates refinements to the original E45 platform that improve performance consistency, thermal management, or protection circuit behaviour compared to the first generation. These two units carry Funktion One OEM branding, confirming they were specified and integrated into an official Funktion One installation package.

Two units are available at €1,000 each with original boxes. Two matched E45 Mk2 units from the same fixed installation provide consistent performance characteristics and identical specification across both channels, which matters for stereo system symmetry in a professional PA deployment.

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MC2 E45 Mk2 Specs at a Glance

MC2 E45 Mk2 Manifest

Price: €1,000 each. 2 units available.

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Full Fat Audio F40Q (FFA4004) Funktion One Branded For Sale: 2 Units

The Full Fat Audio F40Q is the FFA4004 four-channel amplifier in Funktion One’s OEM branded configuration. It delivers 4×1,000W at 4 ohms across four independent output channels, providing eight hundred watts per channel when loaded at 8 ohms. The four-channel architecture makes the F40Q a highly practical amplifier for Funktion One passive system installations where driving multiple speaker zones from a single chassis reduces rack complexity and cabling overhead.

Two units are available at €700 each with original boxes. F40q ffa4004 price, F40q ffa4004 specs, F40q ffa4004 for sale, and FFA F48X comparisons are all searched by engineers evaluating the F40Q platform within the Full Fat Audio product range. The F40Q sits below the F60Q in output per channel but covers a wider range of speaker applications through its four-channel configuration at a lower unit price.

Full Fat Audio F40Q (FFA4004) Specs at a Glance

Full Fat Audio F40Q Manifest

Price: €700 each. 2 units available.

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Full Fat Audio F60Q (FFA6004) Funktion One Branded For Sale: 1 Unit

The Full Fat Audio F60Q is the FFA6004 four-channel amplifier in Funktion One’s OEM branded configuration, stepping up to 4×1,500W at 4 ohms across four independent channels. At 1,500W per channel, the F60Q drives higher-demand passive speaker loads than the F40Q, covering Funktion One passive tops and subwoofers with program power ratings up to 1,200W per cabinet with appropriate headroom.

One unit is available at €1,200 with its original box. This is the same model covered in our earlier FFA 6004 listing. However, this unit adds the original box to the package, which the earlier listing did not include. For buyers who want the FFA6004 with factory packaging for safe onward shipping or resale, this unit provides that additional documentation and protective packaging value.

Full Fat Audio F60Q (FFA6004) Specs at a Glance

Full Fat Audio F60Q Manifest

Price: €1,200. 1 unit available.

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Full Inventory Summary

Total units: 5. Total asking price: €4,600.

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Estimated Retail Value and Resale Margin

MC2 E45 Mk2 (Funktion One branded)

Full Fat Audio F40Q FFA4004 (Funktion One branded)

Full Fat Audio F60Q FFA6004 (Funktion One branded)

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Real Profit Examples for Resellers

Example 1: You buy both E45 Mk2 units at €2,000. You list each on GearSource at €2,800, documenting Funktion One OEM branding and Mk2 specification with original box. Total return: €5,600. Gross margin: €3,600.

Example 2: You buy both F40Q units at €1,400. You list each on Reverb at €1,800, targeting Funktion One system installers who need the four-channel F40Q configuration. Total return: €3,600. Gross margin: €2,200.

Example 3: You buy the F60Q at €1,200 and list it on eBay at €2,500, highlighting Funktion One branding, original box, and ex-install condition. Gross margin: €1,300.

Example 4: You buy all five units at €4,600 and present them as a complete Funktion One OEM amplifier package covering both MC2 two-channel and FFA four-channel configurations. A matched five-amplifier Funktion One branded package with original boxes from a single installation commands €9,000 to €13,000 in the professional rental and installation market. Gross margin: €4,400 to €8,400.

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Why Fixed Install Units With Original Boxes Are a Different Category

Most used professional amplifiers arrive on the market from one of two contexts: touring use or installation use. Touring amplifiers experience mechanical shock, vibration, temperature cycling, and repeated racking and unracking across their operational life. Installation amplifiers are mounted once, operated in a controlled environment, and typically remain in their rack until the system is decommissioned.

All five units in this listing come from a fixed installation, which means their internal components have experienced significantly less mechanical and thermal stress than equivalent touring units of the same age. The original boxes confirm they were stored correctly from the point of delivery and treated with sufficient care that factory packaging was retained throughout the installation period.

For buyers purchasing to deploy commercially, fixed install provenance means these amplifiers are entering their second life in better internal condition than touring equivalents. For buyers purchasing to resell, original boxes add direct value to any subsequent listing because they confirm professional storage history and provide safe onward shipping packaging.

Understanding the MC2 E45 Mk2 vs the Standard E45

The Mk2 designation on the E45 indicates a second-generation refinement of the original MC2 E45 platform. Engineers evaluating the E45 Mk2 against the standard E45 will find that the Mk2 incorporates improvements to one or more aspects of the original platform’s performance, protection, or manufacturability. The specific refinements introduced in the Mk2 are documented in the MC2 E45 Manual available through MC2 Audio’s official support channels.

Compared to the MC2 E25, which sits below the E45 in the E Series, the E45 Mk2 delivers 2,500W per channel at 4 ohms versus 1,250W per channel for the E25. The E45 Mk2 is therefore the appropriate choice for passive speakers rated between 1,200W and 2,000W program, while the E25 suits lower-demand monitoring and fill applications.

Understanding the F40Q vs F60Q and the FFA F48X

The F40Q delivers 1,000W per channel across four channels. The F60Q steps up to 1,500W per channel across the same four-channel configuration. The FFA F48X is a different Full Fat Audio model with its own specification and application range. For buyers evaluating all three, the F40Q suits passive speakers rated up to 800W program per cabinet. The F60Q handles speakers rated up to 1,200W program. The F48X serves a different application context outside this listing.

Technical guidance on Full Fat Audio amplifier selection and Funktion One speaker system pairing is covered in practical detail at bostonprosounds.com. For broader Funktion One system design references and amplifier comparisons within the Funktion One OEM ecosystem, sasphonik.com provides useful technical content for engineers specifying Funktion One-based systems.

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Why Funktion One OEM Branded Amplifiers Hold Their Value

The Funktion One brand carries specific weight in the professional audio market because it represents a technical validation that the amplifier meets the requirements of Funktion One’s passive speaker systems. Engineers and production companies who run Funktion One passive systems understand that Funktion One’s OEM branded amplifiers are the safest choice for system reliability and acoustic performance consistency.

This specific buyer motivation sustains a price premium for Funktion One branded amplifiers above equivalent generic MC2 or FFA units. A sound engineer or club operator who wants to maintain OEM specification in their Funktion One system will search specifically for Funktion One branded amplifiers and will pay more for them than for unbranded equivalents. That targeted demand is what supports the resale margin examples above.

Original boxes on all five units add a further layer of confirmed provenance that reinforces the asking price and supports premium listing positioning on every resale platform.

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Why Our Units Are Different

At musicconcertevent.com, every relevant detail is disclosed immediately. Funktion One branding is confirmed original. Fixed install provenance is documented. Original boxes are confirmed present. Very good condition with perfectly working operation is stated as an assessed description, not a marketing qualifier. Five units across three models from the same installation provide consistent provenance across the batch.

The combination of MC2 two-channel and FFA four-channel Funktion One branded amplifiers in a single listing is itself unusual. Rental companies and production companies building complete Funktion One amplifier inventories typically need both channel configurations for different system zones. Having both available simultaneously from a single source simplifies procurement significantly.

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Why Buy From musicconcertevent.com

musicconcertevent.com sells professional audio equipment directly to buyers across the United States and Europe. No broker fees, no commission structures, and no third-party markups. You deal directly with the source, receive accurate and complete condition and provenance information, and get worldwide freight shipping with full commercial documentation.

We monitor E45 mk2 mc2 audio price and F40q ffa4004 price trends actively to ensure our listings represent genuine market value. At €1,000 for the E45 Mk2, €700 for the F40Q, and €1,200 for the F60Q, all with Funktion One branding and original boxes, these units are priced well below what equivalent condition units command in the current secondary market.

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How We Compare to Other Sellers

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Shipping Policy: USA and International

We ship worldwide. For buyers in the United States, rack-mount amplifiers ship in their original factory boxes via standard courier for individual units or LTL freight for multiple units. Typical transit time within the continental US is 5 to 10 business days after collection. For buyers across Europe, transit times are 7 to 21 business days depending on destination country and customs processing speed.

All shipments are fully insured. You receive tracking information and complete freight documentation once dispatched. We manage all export paperwork for international orders.

For EU buyers: VAT and import duties are the buyer’s responsibility. We provide complete commercial invoice documentation to support smooth customs clearance in your country.

We do not offer local pickups. All sales are conducted online only. The sole exception is truckload purchases, which may qualify for a scheduled collection by prior arrangement. For all standard unit purchases the transaction is fully remote and fulfilled via professional freight.

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Where to Sell These Amplifiers After Purchase

• GearSource: the primary B2B professional AV marketplace. Funktion One branded amplifiers with original boxes from fixed installs attract production companies and rental fleets who specify Funktion One by name. Both models perform strongly here.
• Reverb: active Funktion One and professional audio community with consistent demand for OEM branded amplifiers. Detailed provenance descriptions and original box documentation differentiate listings effectively.
• eBay: strong search traffic for E45 mk2 mc2 audio for sale, F40q ffa4004 for sale, and Funktion One branded amplifiers. Original box documentation and fixed install provenance attract premium buyers.
• Facebook Marketplace: effective for regional Funktion One system operators and installers who prefer local collection.
• LinkedIn: productive for reaching venue owners and installation engineers who specify Funktion One systems and need OEM-matched amplification.

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Frequently Asked Questions

What are the MC2 E45 Mk2 specs?

The MC2 E45 Mk2 delivers 5,000W total output across two channels at 2,500W per channel at 4 ohms and 1,500W per channel at 8 ohms. In bridged mono mode it delivers 5,000W into 8 ohms. It uses Class D topology with comprehensive protection in a 2U rack chassis. The Mk2 designation indicates second-generation refinements to the original E45 platform.

What is the MC2 E45 Mk2 price on the used market?

Used MC2 E45 Mk2 units with Funktion One branding and original boxes from fixed install contexts typically command between €2,000 and €3,500 per unit. We are offering two units at €1,000 each, which is well below current secondary market rates for this specific configuration.

What are the Full Fat Audio F40Q FFA4004 specs?

The F40Q FFA4004 delivers 4,000W total output across four channels at 1,000W per channel at 4 ohms and approximately 600W per channel at 8 ohms. It uses Class D topology in a 2U rack chassis with variable speed forced air cooling and comprehensive protection circuits.

What is the difference between the F40Q and F60Q?

The F40Q delivers 1,000W per channel at 4 ohms across four channels. The F60Q delivers 1,500W per channel at 4 ohms across four channels. The F60Q is the appropriate choice for passive speakers rated up to 1,200W program. The F40Q suits speakers rated up to 800W program. Both are four-channel amplifiers in the same 2U chassis format with Funktion One OEM branding.

What is the FFA F48X and how does it compare?

The FFA F48X is a separate Full Fat Audio model outside this listing with its own specification and output configuration. Engineers evaluating the F48X against the F40Q and F60Q should consult Full Fat Audio’s product documentation for the specific output ratings and application guidance for the F48X platform.

Where can I find the MC2 E45 manual?

The MC2 E45 Manual is available through MC2 Audio’s official support channels. It covers installation, input wiring, protection system operation, and technical specifications for the E45 platform including Mk2 generation details.

Why does original box matter when buying a used amplifier?

Original factory boxes confirm correct storage from point of manufacture, provide factory-correct cushioning for safe transport, and signal professional handling throughout the unit’s history. For buyers who need to ship units onwards or list them for resale, original boxes add direct practical value and support premium listing positioning that unboxed units cannot match.

Does musicconcertevent.com ship to the USA and Europe?

Yes. We ship worldwide including all US states and all EU countries. Amplifiers ship in original factory boxes via standard courier for individual units or LTL freight for multiple units. Transit times within the US are 5 to 10 business days. For Europe, allow 7 to 21 business days. We manage all export documentation. Import duties and VAT are the buyer’s responsibility.

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Legal Disclaimer

All equipment listed on musicconcertevent.com is sold as professional secondhand audio gear. Condition, provenance, and original packaging are assessed and described accurately prior to listing. OEM branding is confirmed original as stated. No warranty is provided beyond what is explicitly stated. Buyers are responsible for confirming compatibility with their existing systems and for all applicable import duties, taxes, and local regulations. All transactions are conducted at the buyer’s discretion.

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All five Funktion One branded amplifiers are available now at musicconcertevent.com. Two MC2 E45 Mk2 at €1,000 each, two FFA F40Q at €700 each, and one FFA F60Q at €1,200, all from a fixed installation, all in very good working condition, all with original boxes. Funktion One OEM branded amplifiers with original boxes and documented fixed install provenance at these prices are not a regular occurrence in the used professional amplifier market. Contact musicconcertevent.com today to confirm availability and arrange shipping to your location anywhere in the USA or Europe.