SPL Phonitor One d

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Headphone Amplifier

Powerful headphone amplifier for studio and hi-fi applications
Infinitely adjustable crossfeed function - crosstalk between the two stereo channels for more realistic surround sound
Digital input with 32 bit DA converter
Class Compliant
Support of sampling frequencies up to 768 kHz PCM as well as playback of DSD (DSD4 or DSD256)
Pre-amplification by 2 Burr-Brown OPA 2134 SoundPlus operational amplifiers for extremely low noise and minimal distortion
THD + N (0 dBu, 10 Hz - 22 kHz, 600 O): 0.002%
Max. Input level: +22.5 dBu
Noise (A-weighted, 600 O): -97 dBu
Max. Output power (600 O): 2x 190 mW
Max. Output power (250 O): 2x 330 mW
Max. Output power (47 O): 2x 400 mW
Frequency response headphone output (- 3 dB): 10 - 200,000 Hz
Three switchable stereo inputs: 6.3 mm balanced TRS jack
Unbalanced RCA and USB
Headphone output: 6.3 mm stereo jack socket
Dimensions (W x H x D): 210 x 49.6 x 220 mm
Weight: 1.45 kg

30-Day Money-Back Guarantee

3-Year Thomann Warranty

Available since October 2020
Item number 503951
Sales Unit 1 piece(s)
Number of stereo channels 1
Output Level Adjustment Per Channel Yes
Amount Of Inputs 2
Rack format No

$735

The shipping costs are calculated on the checkout page.

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in Headphone Amps

14 Customer ratings

5 11 Customers 4 3 Customers 3 0 Customers 2 0 Customers 1 0 Customers

4.8 / 5

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13 Reviews

Phonitor ONE D

LZG18 06.12.2021

The best amplifier for headphone!
Incredible dac converter,you can mix your tracks directly on headphone thanks to the crossfeed parameter that allow you to improve the mono perception and to reduce the big stereo effect that every headphone have.
Amazing.

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Ultimate Best Headphone Amp!

Scipio 15.02.2024

SPL Phonitor Series are high end headphone amps and DAC. But, you definetely need a quality hi-fi heaphones to experience the best. I use it with Denon AH-D9200 and very satisfied.

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THE NECESSARY STEP TO IMPROVE YOUR MIXING AND MASTERING ON HEADPHONES

Alex_Bel 27.09.2026

This device is expensive. this is a fact.
But this version of this device is a Phonitor + a high quality soundcard. It is going to change your mixing and mastering experience by providing you the necessary level of detail that you need to mix at pro level. It is really amazing to see how it pins point all the little flaws in your production so that you can remove them easily.
the alternative solution is to make a full sound isolation but it is going to cost you more.

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Too loud and detailed

Erdoras 14.02.2021

I paired it with my HD600. It was a huge jump from iD14. I hear much more detailed now. The transient response is incredible. I'm afraid to lose my hearing because this thing can be super loud. I also like the crossfeed feature.

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SPL Phonitor One d

Headphone Amplifier

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