| Headphone Amplifier | Preamplifier | 2100mW |

? BURSON AUDIO Fun, the most affordable headphone amplifier and preamp from the brand.

BURSON AUDIO is an Australian brand specialized in high-end amps, DACs and sound components with a line of products that have gained worldwide popularity among audio enthusiasts for their refined performance, such as models from the series:

The BURSON AUDIO Fun is a Class A amp, which is the top-class for distortion levels and audio linearity without issues from Class B amps, such as crossover distortion.

This amp model belongs to their Party Series, being positioned as their most budget-friendly product, followed by a PC power amp, the Burson Audio Bang.

The BURSON Audio Fun sports a input impedance of 38000Ω, a frequency response of 0Hz to 35000Hz and a THD lower than 0.03%.

Moreover, techy users might be interested to know that BURSON AUDIO included high-quality components inside the Fun. To name a few, the internals include quad Max Current Power Supply (MCPS), symmetrical dual mono design, ELNA Aluminum Electrolytic and Vishay Professional MELF resistors.

The BURSON AUDIO Fun is available worldwide at Burson’s website.

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Advanced Features

The BURSON AUDIO Fun might be the most affordable amp from the brand but hides a feature that can only be seen in very expensive amplifiers: opamp rolling, to change tonalities.

This is a groundbreaking feature at this price point as the brand has thought and designed the amp to offer it out-of-the-box without too much effort and with low risk of damaging the device by avoiding the use of DIY techniques.

To safely proceed according to the manufacturer indications, it is highly recommended to read the user manual before getting into opamp rolling.

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Burson Audio Fun opamp rolling
Burson Audio Fun opamp rolling


Accessories & Packaging

Amp manufacturers tend to remain shy with the accessories bundled with their units; the BURSON AUDIO Fun, instead, comes packed with handy accessories to use the amp right out-of-the-box, including: 1x RCA cable, 1x 2.5mm hex key, 1x PC RCA slot bracket, 2x pair of RCA cap protectors and 1x power bank.

The amp comes inside a black rectangular box with good protection.

gramophone-25660   3.75/5



The BURSON AUDIO Fun has a minimalist design that results in elegant and clean overall aesthetics – if you were looking for a disco-ball, flashy device, this will not be the right amp for you.

The front and back panel have a dark metal-brushed finish that gives an accent touch to the mainly-black design while the main body has a matte finish that never picks up fingerprints – fingerprint smudges are a main issue of metal devices with black finish. The brand did a great choice of materials and finishing paint on the Burson Fun.

The volume knob is the only front piece with a shinier finish and a silver ring accent (besides the golden 1/4″ jack)

The dimensions of the BURSON AUDIO Fun are 210mm × 145mm × 45mm and weights 2 kilograms (approximately)

BURSON AUDIO Fun - metal finish
BURSON AUDIO Fun – metal finish

BURSON AUDIO Fun light indicator

Different to the Conductor V2+ (also V3) and Play model, the Fun does not have any screen or multi-lights system.

The power indicator of the Fun is a very small light placed on the left edge of the front panel, right next to the 1/4″ headphone output jack. This light only indicates and confirms that the unit is turned on.



BURSON AUDIO Fun with Meze 99 Classics
BURSON AUDIO Fun with Meze 99 Classics


Operation & Control

The Burson Audio Fun is an extremely easy-to-use amplifier with a straightforward operational design and no hard learning curve.

The basic complexity of the amp’s controls requires basic and simple steps:

  1. Plug the Burson Audio Fun to a source/DAC
  2. Turn both on
  3. Crank the volume knob up or down on the Burson Fun.

The volume knob has the right amount of a resistance as to result in precise volume control and a delightfully smooth experience.

The rotation range of the knob is around 330 degrees.

BURSON AUDIO Fun volume knob
BURSON AUDIO Fun volume knob

How to power the BURSON AUDIO Fun:

The BURSON AUDIO Fun offers 2 power alternatives according to the use: internally or externally.

To be used as an external/standalone amp, the device can be powered with the bundled multi-voltage external power supply (100-240V 12V 6A)

If wanting to be used as an internal headphone amp for a PC, the device can be connected through the Molex connector (12V DC 5A) to the internal power supply of the computer.


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BURSON AUDIO Fun rear connectors
BURSON AUDIO Fun rear connectors


Construction & Build

The amp has an excellent balance of rugged build and light weight. The full construction of the housing is metal, as well as every connector and detail, even the volume knob is fully metal – the only piece made of plastic is the red power switch on the back panel.

Every I/O connectors plug firmly without wobbling nor disrupting the connection at any given moment.

Moreover, the device is very simple to open up for repairing, service or opamp rolling, with just a couple of screws needed to be removed – even the right hex key is bundled as a free accessory.


BURSON AUDIO Fun top-view
BURSON AUDIO Fun top-view



The BURSON AUDIO Fun has been smartly designed to enable the use as, either, an external amp or as an internal one for PCs. Features that facilitate the internal use are: a standard PC bay size of 5.25”, mounting holes, 12v DC 5A direct power from a PC internal power supply (4-pin Molex connector) – even a RCA PC slot bracket is included.

With standardized RCA, 1/4″ and 3.5mm connectors, the Burson Fun is widely compatible with most audio devices on the market.

The 3.5mm mic in/out connections will allow it to connect nearly every mic with a mini stereo jack.


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BURSON AUDIO Fun - front panel
BURSON AUDIO Fun – front panel



The front panel of the BURSON AUDIO Fun holds (from left to right) a LED power indicator and 3 connectors: 6.35mm headphone out, 3.5mm mic input, 3.5mm AUX input.

The rear section of the device holds RCA input connectors, a DC connector for external 12V DC, an internal 12V DC connector (to use in PCs), the power switch, a 3.5mm mic out and the RCA preamp out for powered speakers.

With the RCA input users can connect it to any DAC/source that offers RCA output connection, while the simpler 3.5mm auxiliary input port gives endless connectivity combinations such as connecting it to mobile devices, notebooks and PCs that do not offer RCA connection.

Some of the technical specifications of the BURSON AUDIO Fun connectors include:

6.35 mm Headphone out specifications:

  • 2100mW (32Ω)
  • 1900mW (16Ω)
  • 1200mW (8Ω)
  • 1000mW (100Ω)
  • 660mW (150Ω)
  • 330mW (300Ω)

Additional specifications:

  • Output impedance: 6Ω
  • Max SNR: 96 dB
  • Max channel separation: 99.5%


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BURSON AUDIO Fun - rear panel
BURSON AUDIO Fun – rear panel



We find important to remind our readers that the BURSON AUDIO Fun is a headphone amp but it is not a DAC (much like their top-tier Burson Audio Soloist SL MK2); this means that the Fun needs to be connected to a DAC – the brand offers other models with DAC capabilities (Conductor V2+, Play, Conductor 3, etc.)

Through out our tests, the Burson Audio Fun exhibited clean sound without coloration nor alteration of the original sound of any DAC and headphone.

The sound outputted was clear through out the entire range and did not exhibit any boosting nor recessing of any audible frequency, granting the same authentic sound signature of the source and headphone.

In addition to this, there was no hiss nor perceivable noise present at any volume setting and with most headphones; this is achieved thanks to the combination of it’s internal design plus quality components and the intentional externalization of it’s power supply to reduce interference and noise – in-ear headphones with tendency to pick up noise might show a slight edge of noise when cranking up the volume far above 3/4 power, yet you will probably first blow up the earphone or loose your hearing before perceiving any noticeable noise.

As the BURSON AUDIO Fun is not a DAC, the noise levels will also depend on the baseline noise of the DAC/source that you are plugging the BURSON Fun to – if you have a noisy DAC/source, the BURSON AUDIO will not be able to do magic with the noisy input signal being fed to it. Therefore, be sure to be matching the BURSON AUDIO Fun with a good DAC/source.

BURSON AUDIO Fun with Sennheiser HD 599
BURSON AUDIO Fun with Sennheiser HD 599

Reaching up to 2100mW at 32Ω, the BURSON AUDIO Fun has plenty power to drive any modern headphone, at the same time it is equally as capable to drive sensitive headphones without any drawbacks nor performance deterioration.

During our tests, compared with other amplifiers with similar output power rating, the BURSON AUDIO Fun, showed a much stronger real-life power and driving capability – the brand even claims that it can feel stronger than 4000mW and 6000mW amps due to their quad MCPS design.

To somewhat test out this claim we decided to compare it with other powerful amps. Connecting full-sized headphones such as the AKG K701 and AKG K712 PRO showed that 40% to 50% of the max power of the BURSON AUDIO Fun was sufficient to perfectly drive them, while a xDuoo TA-10 needed to be cranked up to 75% to 80% to provide the same drive ability and output volume with these headphones. Other headphones paired included the Sennheiser HD 600, Sennheiser HD 599, Meze 99 Classics, Sony MDR-EX800st, FiiO FH7.

When paired with sensitive headphones and in-ear headphones, the Burson Audio Fun simply laughed at the challenge, demanding as low as 5% or 10% of the max power of the amp.

Moreover, dialing up or down the volume knob did not exhibit any screeching noises nor there was any sort of channel imbalance.


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BURSON AUDIO Fun with Sony MDR-EX800st
BURSON AUDIO Fun with Sony MDR-EX800st



As the BURSON AUDIO Fun is an external amp/preamp without USB DAC functionalty, the device does not need any drivers to be installed nor to work.

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Frequency Response (raw)

BURSON AUDIO Fun Frequency Response Curve

Headphone through direct source vs through amp. violet= direct source; turquoise= through amp

Burson Audio Fun frequency response curve - source direct vs amp
Burson Audio Fun frequency response curve – source direct vs amp

Amp Frequency response

Burson Audio Fun frequency response
Burson Audio Fun frequency response

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Disassembly for opamp rolling

To replace the operational amplifier of the Burson Fun and experiment with op-amp rolling, the housing must be partially disassembled.

The housing of the Burson Fun is made of 4 pieces: front panel, rear panel and a main housing divided on a top and a bottom/base piece.

Removing the front panel and rear panel main screws will allow the upper housing to be removed and access the internals of the amp – to be more precise, unscrewing the 2 on the top front panel and on the 2 top rear panel is enough to be able to remove the upper section.

The stock opamps will be seen on the center of the mainboard and can be easily replaced by pulling them out. Follow the user manual instruction to proceed correctly.

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BURSON AUDIO Fun Technical Specifications

Max output2100mW
SNR91 dB
3.5mm inYes
Drive ability8-600Ω
Frequency Response0Hz-35kHz
Mic in/outYes/Yes
WeightApprox. 2kg
RCA in/RCA outYes/Yes

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