SPL Audio Phonitor 3 Headphone Amp, and Monitoring Controller + Expansion Rack

Phonitor 3 is the ultimate headphone amplifier and monitoring controller with 120V technology. It offers the same monitoring quality as the big SPL mastering consoles – on loudspeakers and headphones.

The analog Phonitor Matrix allows mixing and mastering on headphones in the highest quality – with the same spatial perception of the stereo stage as on loudspeakers.

Three analog XLR stereo inputs for various sources and a wide range of monitoring options make it the perfect monitor controller for demanding producers and mixing/mastering engineers.

Phonitor 3 can be equipped with the optional Expansion Rack, which is not only a 19″ rack housing, but it also expands the connection possibilities with three additional switchable stereo outputs for active loudspeakers or power amplifiers.

The SPL Expansion Rack is not only a 19” rack housing for the Phonitor 3, Phonitor 3 DAC and SMC7.1, it also expands the connection possibilities.

A passive four-way switch integrated into the Expansion Rack allows the speaker output signal to be switched between up to four stereo speaker pairs.

With the Expansion Rack, a desktop device, such as the Phonitor 3, can be installed in a 19-inch rack. All compatible devices are installed in the same way. Detailed, illustrated installation instructions can be downloaded a little further down on this product page.

The Expansion Rack is equipped with a rotary switch that passively routes the stereo output signal of a built-in device to four stereo outputs. Switching takes place passively, i.e. without active electronics in the signal path and without a power supply. Phonitor 3, Phonitor 3 DAC or SMC 7.1 are expanded with three additional stereo outputs together with the Expansion Rack so that for example full-range, midfield and nearfield monitors can be connected.

• Great sound – for headphones
The Phonitor 3 offers connection for a standard headphone with a stereo jack plug on the front. Thanks to the enormous output power, all kind of headphones are driven effortlessly. Thus, it plays out the advantages of the SPL 120V technology and rewards the listener with an honest, detailed and at the same time vivid sound experience.

• Great sound – also for loudspeakers
On the rear of the device, Phonitor 3 offers a stereo output which makes it a high-quality monitoring controller for any monitoring situation. Active speakers with an integrated power amplifier or passive speakers in combination with a power amplifier can be connected at this output.

• Monitoring at the highest level
Phonitor 3 offers the same key technology – SPL 120V technology – and signal quality as the big SPL DMC and MMC mastering consoles.

Phonitor 3:

Analog inputs & outputs: XLR (balanced)
• Maximum input & output gain: 32.5 dBu
• Input impedance (XLR): 20 kΩ
• Output impedance (XLR): 75 Ω
• Common mode rejection ratio (XLR): -82 dB
• Frequency range (0 dBu): 10 Hz – 100 kHz
• THD +N (1 kHz, 0 dBu): 0.0009 %
• Noise (A-weighted): -102 dBu
• Crosstalk (1 kHz): -95 dB
• Dynamic range: 134.3 dB

Standard Headphones Output: 6.35 mm (1/4") TRS Jack
• Wiring: Tip = Left, Ring = Right, Sleeve = GND
• Source impedance: 0.18 Ω
• Damping factor (40 Ω): 180
• Frequency range (0 dBu): 10 Hz – 100 kHz
• Crosstalk (1 kHz, 0 dBu): -91 dB
• THD + N (1 kHz, 0 dBu): 0.0003 %
• Noise (A-weighted): -102 dBu
• Output power (1 kHz, 1% THD, 250 Ω): 2 x 5 W
• Output power (1 kHz, 1% THD, 32 Ω): 2 x 1 W
• Dynamic range: 134.5 dB

Internal Linear Power Supply with Shielded Toroidal Transformer
• Operating voltage for analog audio: +/- 60 V
• Operating voltage for relays and LEDs: +12 V

Mains Power Supply
• Mains voltage (selectable, see fuse chamber): 230 V AC / 50; 115 V AC / 60 Hz
• Fuse for 230 V: T 0.5 A
• Fuse for 115 V: T 1 A
• Power consumption: max. 40 VA

Dimensions & Weight
• W x H x D (width x height incl. feet x depth): 278 x 100 x 300 mm
11 x 4 x 11.81 inch
• Unit weight: 4.9 kg
10.8 lbs
• Shipping weight (incl. packaging): 5.6 kg
12.5 lbs

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EXPANSION RACK:

Passive 1 to 4 Splitter
• Input, 1x stereo: XLR (balanced)
• Outputs, 4x stereo: XLR (balanced)

Dimensions & Weight
• W x H x D (Width x Height x Depth): 482 x 88 x 303 mm
19 x 3.46 x 11.93 inch
• Weight: 2.7 kg
5.95 lbs