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Pathos InPol Ear Headphone Amplifier


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Found it cheaper? Click here. SKU: PTHINPLE
Ex VAT: 2874.17

Pathos InPol Ear is an ideal amplifier for headphones fans incorporating a sleek and compact build with pure Class A with the latest fully balanced double InPol technology.

Available - Ships within 2-3 days.

Condition:Brand new in original retail packaging

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Warranty length 2 Years
Brand Pathos Acoustics

Tech Specs

Type: Reference stereo
Use: Integrated Headphone
Tech: Pure class A double INPOL


32Ω: 3W bal, 10W Unbal
50Ω: 1.9W bal, 6.4W Unbal
120Ω: 800mW bal, 2.7W Unbal
300Ω: 320mW bal, 1W Unbal
600Ω: 160mW bal, 533mW Unbal
Impedance: Bal 0.9Ω, Unbal 0.45Ω


Freq response: 2Hz – 200KHz ±0.5db
sensitivity/impedance: 2.2VRMS, 100KΩ
Polarity: Selectable by remote
Vol regulator: 2 x Burr Brown PGA2310
THD: 0.1% @11W, SNR: >100dB
Max: (In) 4.4, (Out) 20/10VRMS


Analog In: Bal XRL, 4 unbal RCA
(HiDac required for below inputs)
USB: 1 Type “B”, 2 Type “A”
SPDIF: coaxial, SPDIF optical,
Ethernet: RJ45
Outputs: Pre stereo line RCA
XLR: Preout stereo line Bal
Headphone: 6.3mm Jack connector
4 pin XRL: 2 Connectors


Power consumption: 110W
DimensionS (DWH): 370 x 280 x 180mm
Weight: 12.5Kg

Product Description

Pathos InPol Ear is a high end Class A headphone amplifier with fully balanced latest generation double InPol technology. The dual-match valve/headphone meets the highest quality of the sound enabled by the tubes with a low power demand that is typical of headphones.

Listening by headphones through this amplifier means to start a journey to search for sound fullness conveyed by InPol, which also grants a great high-end extent and a strong nature, thanks to two balanced outputs (10W @16O) and 1 unbalanced output (6W @16O).

Optional HiDac

The optional HiDAC 24-bit/192kHz internal D/A converter module adds two balanced (XLR), two coaxial (S/PDIF), and one digital (USB 2.0) connections. The upgraded HiDac EVO performs at 32 bit and 384KHz due to the new ESS 9018 k converter for better, easier and more complete enjoyment of digital music.

Evo incorporates a web application letting you control the DAC through a PC as well as to connect a hard disk and a Wi-Fi dongle directly to the unit transforming into a music centre. HiDac EVO also makes it possible to connect to your wireless network eliminating the need for cables running around the room.

InPol System

InPol (Inseguitore Pompa Lineare - Linear Pump Follower) is a hugely successful and multi-award winning system patented by Pathos Acoustics. Inpol devices have an exceptional sonic personality owing to this particular circuit design - fully balanced in Class A using a single solid state component in follower configuration, with high current gain and with voltage gain together.

Valve Amplifier

The valve amplifier strengthens the input signal voltage and InPol supplies the current to drive the loudspeakers without any further amplification. In this way, the signal is entrusted to the valves and becomes a true copy of the original with all the quality, purity and harmonic content intact.

This technology allows an increase in the theoretical output in pure Class A of between 25% and 50% together with a low output impedance which is fundamental for the damping factor, and further improved by the double InPol.


Compact, good looking and powerful: InPol Ear is an ideal amplifier for headphones fans; chassis is finely crafted while on the sides are aluminium heatsinks, shaped to form the Pathos logo. These serve to highlight the carefully protected tubes placed in the centre of the chassis.

Completely handmade in Italy with high-quality components, this amplifier is a high design product. It is available in different colours and customised finishes, satisfying the most demanding requests from the market.

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