SPL Phonitor Xe: the pinnacle of headphone amplification
The SPL Phonitor Xe represents the culmination of German expertise in high-end headphone amplification. This preamplifier combines advanced technology with meticulous build quality. Featuring proprietary VOLTAiR 120V technology and the Phonitor Matrix, it transforms headphone listening into an experience close to listening through loudspeakers, while retaining the intimacy of headphones. Its versatile connectivity and power allow it to drive virtually any headphones on the market with great precision
Uncompromising design
The Phonitor Xe features an elegant yet robust design, with an aluminum chassis available in three finishes: silver, black or red. Weighing 5.1 kg, its solid construction immediately conveys its premium quality. The front panel is dominated by two retro-style analog VU meters that display the input levels of the left and right channels. These indicators are not merely aesthetic; they provide a precise visual representation of the audio signals.
Volume is controlled via a substantial 45 mm knob fitted with the renowned Alps RK27 “Big Blue” potentiometer, offering exceptional tactile feel. This motorized potentiometer can be controlled remotely with any infrared remote control, a practical feature that sets this model apart from many competitors.
VOLTAiR technology: the heart of sonic excellence
VOLTAiR technology is the Phonitor Xe’s key innovation. Unlike conventional amplifiers, which generally operate at ±15V or ±18V, the Phonitor Xe uses an internal voltage of ±60V. This approach delivers exceptional technical performance, with an impressive dynamic range of 135.5 dB at the standard headphone jack output and 130.5 dB at the balanced XLR output.
This proprietary technology produces remarkably transparent sound, with natural transient reproduction and no compression whatsoever, even during the most complex musical passages. The extended frequency range of 10 Hz to 300 kHz (-3 dB) ensures faithful reproduction of every sonic detail.

The Phonitor Matrix: redefining headphone listening
One of the Phonitor Xe’s most innovative features is its Phonitor Matrix, which addresses a fundamental issue with headphone listening. Almost all music productions are mixed and mastered on loudspeakers, but listening through headphones presents significant acoustic differences.
The Phonitor Matrix recreates loudspeaker listening conditions by simulating:
- Natural crossfeed (sound from the left loudspeaker reaching the right ear and vice versa)
- High-frequency filtering caused by human anatomy
- Different listening angles depending on loudspeaker placement
This analog technology eliminates the “super stereo” effect often experienced with headphones, where channel separation is artificially exaggerated. The result is a more natural, less fatiguing soundstage, even during long listening sessions. Four different listening angles can be selected, allowing you to tailor the sound presentation to your preferences.
Exceptional connectivity and versatility
The Phonitor Xe offers comprehensive connectivity for seamless integration into any high-end audio system. It has multiple analog inputs, including balanced XLR and unbalanced RCA connections. The version with the optional DAC768v2 module adds USB, coaxial S/PDIF, optical Toslink and AES/EBU digital inputs, enabling direct connection to virtually any digital source.
For outputs, the Phonitor Xe provides a 6.35 mm jack for standard headphones and a 4-pin XLR connection for balanced headphones, available both on the front and rear of the unit. This configuration lets you use different types of headphones simultaneously without constantly unplugging and reconnecting them.
Power and control for every pair of headphones
With an impressive output power of up to 2 x 8 watts, the Phonitor Xe can effectively drive any headphones on the market, from low-impedance models to the most demanding. This power reserve delivers exceptional dynamics and no compression whatsoever, even with the hardest-to-drive headphones.
The laterality control, a unique feature, allows fine adjustment of the left-right balance to compensate for any hearing or headphone asymmetries. A mode selector also lets you switch between stereo and mono reproduction, useful for checking a recording’s mono compatibility or identifying phase issues.
Comparison with other models in the range
The Phonitor Xe is the flagship of SPL’s range dedicated exclusively to headphone amplification. Unlike the Phonitor X, which can also serve as a preamplifier for loudspeakers thanks to its balanced outputs, the Xe focuses solely on excellence in headphone reproduction.
Compared with the less expensive Phonitor se, the Xe offers even more impressive build quality, superior technical performance and greater flexibility of use, justifying its price, which is twice as high. It also stands apart from the entry-level Phonitor One and One D models through its significantly greater power and expanded features.
Professional and audiophile applications
Although designed primarily for audiophiles, the Phonitor Xe also has a place in professional studios. Its origins lie in the needs of sound engineers and producers seeking a tool that would let them mix on headphones with the same precision as on studio monitors.
The Phonitor Matrix is particularly useful for professionals, as it lets them hear how a mix would sound on different playback systems. This versatility makes it a valuable tool for music production, mastering and any situation where accurate sound reproduction is essential.
Documentation
Headphone Amplifier
Controls and Display
- Mechanical VU meters: Precise display of left and right input levels.
- Laterality control: Fine adjustment of the sound center to balance left/right hearing.
- Adjustment via infrared remote control or 45 mm rotary knob for optimal precision.
General Overview
- Phonitor Matrix and VOLTAiR technology, and retro design with VU meters.
- Multiple inputs: XLR and RCA for broad compatibility with different headphones.
- High output power: Suitable for all headphones, from the lowest to the highest impedance.
- Sound quality: Neutrality, precision, and musicality for a perfect listening experience.
- Transforms headphone listening into a speaker-like experience, with detailed sound.
- Multiple stereo sources: Up to 6 sources, including digital inputs with the optional DAC (USB, COAX, OPTICAL, AES).
Connectivity
Inputs
- XLR inputs (Neutrik, balanced):
- Impedance: 20 kohms
- Common-mode rejection: -82 dBu (1 kHz)
- Maximum input level: +32.5 dBu
- RCA inputs (unbalanced):
- Impedance: 10 kohms
- Maximum input level: +32.5 dBu
- Digital inputs (optional):
- Coaxial SPDIF (RCA): PCM up to 192 kHz
- Optical TOSLINK (F06): PCM up to 96 kHz
- USB (B): PCM up to 768 kHz and DSD (1, 2, and 4)
- AES: PCM up to 192 kHz
Outputs
- Balanced headphone output (4-pin XLR):
- Impedance: 0.36 ohm
- Frequency range: 10 Hz to 300 kHz (-3 dB)
- Dynamic range: 130.5 dB
- Damping factor: 180 at 40 ohms
- Standard headphone output (6.35 mm TRS):
- Impedance: 0.18 ohm
- Frequency range: 10 Hz to 300 kHz (-3 dB)
- Dynamic range: 135.5 dB
- Damping factor: 180 at 40 ohms
Output Power
- Maximum power (at +30 dBu @ 1 kHz):
- 2 x 1 W at 600 ohms
- 2 x 2 W at 300 ohms
- 2 x 3.7 W at 120 ohms
- 2 x 2.9 W at 47 ohms
- 2 x 2.7 W at 32 ohms
Advanced Technologies
- Phonitor Matrix:
- Stereo correction for headphones, eliminating the “super-stereo” effect.
- Crossfeed and angle: Adjusts the signal for natural, fatigue-free listening.
- Center of attention: Adjusts the volume of the stereo image center for an authentic soundstage.
- VOLTAiR:
- Proprietary technology for detailed, distortion-free sound.
- High-quality components for precise, lifelike sound reproduction.
Power Supply and Voltages
- Internal voltages:
- Analog: +/- 60 V
- Digital: +5 V and +3.3 V (optional CNA768)
- Power supply:
- Mains voltage: 230 V AC / 50 Hz or 115 V AC / 60 Hz
- Fuses: 230 V: T 500 mA; 115 V: T 1 A
- Power consumption: max 40 VA
- Standby power consumption: 0.7 W
Dimensions and Weight
- Dimensions (incl. feet): 278 x 100 x 330 mm
- Weight:
- Unit: 5.1 kg
- Shipping: 6.25 kg
Frequently Asked Questions
What is the difference between the Phonitor Xe and other high-end headphone amplifiers?
The Phonitor Xe stands out with its VOLTAiR 120V technology, which uses much higher internal voltages (±60V) than most competing amplifiers. This approach provides exceptional dynamic range and eliminates compression. Its unique Phonitor Matrix, which simulates speaker listening, is also a major advantage that few competitors offer in an analog form.
Can I use any headphones with the Phonitor Xe?
Yes, the Phonitor Xe is designed to drive virtually all headphones on the market, from low-impedance models (32 ohms) to high-impedance headphones (600 ohms and above). Its generous power and high damping factor (180 at 40 ohms) ensure optimal control of the drivers, regardless of their technology.
Does the Phonitor Matrix work with all music genres?
Yes, the Phonitor Matrix enhances the listening experience for all music genres by recreating a more natural spatial presentation. It is particularly beneficial for recordings with a very wide stereo image, such as some classical or jazz albums, but it also provides advantages for modern music by reducing listening fatigue during long sessions.
Should I choose the version with an integrated DAC?
If you do not already own a high-quality digital-to-analog converter, the version with the DAC768v2 module is an excellent choice. This DAC delivers top-tier performance with support for high-resolution formats up to 32-bit/768 kHz and DSD256. If you already have a high-end external DAC, the analog-only version might suffice.
How does the infrared remote learning work?
The learning process is remarkably simple. You just need to assign the buttons of any infrared remote control to the volume control functions, and the Phonitor Xe will “remember” them automatically. This feature allows the device to integrate easily into your existing setup without requiring a dedicated remote control.
Does the Phonitor Xe generate a lot of heat during operation?
Due to its Class A design and VOLTAiR 120V technology, the Phonitor Xe generates some heat during operation. However, its aluminum chassis is designed to efficiently dissipate this heat. It is recommended to leave sufficient space around the device to allow for proper ventilation.
Is it possible to use multiple headphones simultaneously with the Phonitor Xe?
Although the Phonitor Xe has multiple headphone outputs, they are not designed to be used simultaneously due to the impedance changes that would result. The device is optimized to deliver the best possible sound quality to a single user at a time.
- Eco-contribution of €0.82 included in the sale price.
- Manufacturer reference: PHONITOR XE NOIR











