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iFi Audio Pro iCAN Signature

Headphone amp/preamp

Item # 246PICANSG

Offers a bunch of connections and serves up a LOT of power...up to 14,000mW in balanced mode to be exact.

Offers a bunch of connections and serves up a LOT of power...up to 14,000mW in balanced mode to be exact.

Item # 246PICANSG

Ships free today

In stock
$2,249.00

60-day returns

If you don't love it, send it back.

60-day price protection

We’ll reimburse you if the price drops.

Since 1974

Years of experience making people happy.

About the iFi Audio Pro iCAN Signature

iFi turns their most powerful amp up a notch

The original iFi Audio Pro iCAN headphone amplifier was such a powerhouse and statement piece — at Crutchfield HQ, we chose it as the muscle for our in-house premium personal listening rig. Now iFi has enhanced the performance even further. This Signature edition adds a 4.4mm balanced headphone output, higher-grade parts and circuitry, along with a beefier power supply designed to filter out line noise. 
iFi Audio Pro iCAN Signature with HiFiMan headphones

The iFi Pro iCAN Signature headphone amp offers more than enough power to drive high-performance headphones.

iFi turns their most powerful amp up a notch

The original iFi Audio Pro iCAN headphone amplifier was such a powerhouse and statement piece — at Crutchfield HQ, we chose it as the muscle for our in-house premium personal listening rig. Now iFi has enhanced the performance even further. This Signature edition adds a 4.4mm balanced headphone output, higher-grade parts and circuitry, along with a beefier power supply designed to filter out line noise. 

It features a bunch of balanced and unbalanced connections and serves up a LOT of power. Up to 14,000mW in balanced mode to be exact. That's enough to drive even the most power-hungry, high-impedance headphones out there. In fact, the Pro iCAN Signature will replace the original  as our "best high-power headphone amp." 

Tube or solid-state amp? You choose. 

It's an age-old amplifier debate: solid-state vs vacuum tubes. Each type of amp has its own distinct sonic footprint, and it really boils down to personal preference. Some want the clarity and detail that solid-state circuitry provides, while others dig the extra warmth and emotion that are often associated with tubes. And some of us change our mind every time we sit down to listen to music!  

Top of the iFi Pro iCAN signature

The top of the well-built Pro iCAN Signature amp gives you a glimpse of the GE 5670 vacuum tubes under the hood.

This is one of the few combination headphone amps I've ever seen that lets you choose between using solid-state circuitry or vacuum tubes. And iFi isn't just adding some sort of fake tube effect or processing. This amp uses two "new, old stock" (NOS) GE 5670 vacuum tubes inside — classic, reliable audio tubes originally developed for the military. 

There are three operation modes in all: "Solid-state," "Tube," and "Tube+" modes. The third uses the tube input stage, but special circuitry helps reduce feedback. When you're in a tube type of mood, just let them warm up for about 15 minutes and they'll be ready to play.  

Works well with all types of headphones

The role of an amplifier is not always to deliver the most power, but to provide just the right amount of power for your headphones or speakers to perform their best. In other words, you need them to handle large sonic peaks in your favorite songs with effortless grace. The Pro iCAN Signature has a three-position gain switch on the front panel, so you can properly match up the power with your headphone impedance. Also, the two 3.5mm minijack outputs have been optimized for highly sensitive headphones, like in-ear monitors (IEMs). 

PSA: turn it down before you turn it up

Here's a pro tip: always turn the knob to the lowest gain setting and lower the volume when you connect new headphones. That will help prevent this workhorse from overpowering your headphone drivers. Plus it can help protect your ears. 

And I'll admit I get a kick out of adjusting that large Alps Electric volume dial. It gives you precise volume control and has an old-school, satisfying feel.

Built to perform 

This heavy-duty amplifier fits in well with iFi Audio's other high-end desktop components, like the Pro iDSD Signature digital-to-analog converter (DAC). iFi gear is always well-built and packed with sophisticated circuitry to deliver the sonic goods. The Pro iCAN's all-metal frame and chassis help keep vibrations at a minimum, while the isolation base keeps it sturdy and stable. That solid foundation is created by a "quad-damped" design that sandwiches layers of materials together to absorb unwanted resonance.

The back-panel ins and outs

The back panel of the Pro iCAN Signature features balanced XLR and three sets of unbalanced RCA audio inputs for connecting music sources or other gear (like aforementioned Pro iDSD Signature DAC). You'll also find ways to pass audio signal out of the Pro iCAN Signature back there. There are unbalanced RCA and balanced XLR outputs for connecting a wide range of power amplifiers, and a proprietary connector for the iFi Pro iESL electrostatic headphone energizer (sold separately).

Several headphone outputs

Along with the 4.4mm balanced headphone output, you'll find several other balanced and unbalanced options. In the center, there's an XLR 4-pin balanced output. To the left and right of that, there are combination outputs with both XLR 3-pin and 1/4" outputs. They can be used for balanced headphone connections, or to power two headphones with unbalanced 1/4" plugs simultaneously. (Use the right 1/4" jack if you're just listening to a single set of headphones.)

Below, there are two 3.5mm mini outputs for both balanced and unbalanced connections. iFi ensures all the connections sound clean with what they call "S-balanced" headphone amp technology. Their dual-mono circuitry keeps the left and right audio channels separate for as long as possible to avoid cross-talk and distortion. 

Heavy-duty remote and power supply

The included polished aluminum remote feels substantial and offers more control than the original Pro iCAN remote. Also new to this Signature edition is iFi's top-of-the-line iPower Elite outboard power supply. It sports an aircraft-grade aluminum chassis and provides ultra-quiet, clean power. To put it in perspective, a typical power supply has an audio band noise floor of 1,000 microvolts (μV); the iPower Elite achieves an amazing 1 μV.

READ LESS

Product highlights:

  • Featured in our article: Best headphone amps for 2023
  • compact all-metal chassis and panels minimize resonance for clean playback
  • high-performance fully-balanced drive headphone amplifier with front-panel volume control
  • combination solid-state and vacuum tube amplifier
    • includes two "new, old stock" (NOS) GE 5670 vacuum tubes
  • power output up to 14,000mW in balanced mode (up to 4,800mW in unbalanced mode)
Audio performance features:
  • select from three operating modes: "Solid-state," "Tube," and "Tube+"
    • Tube+ mode uses tube input stage, but reduces negative feedback
  • three-position gain switch to match impedance (0dB, 9dB, or 18dB)
  • Alps Electric motorized rotary volume dial for precise volume control
  • outboard "iPower Elite" power supply for clean, substantial power
    • separated and shielded from audio circuitry to avoid interference
  • preamp mode with balanced XLR and unbalanced RCA outputs for connection to an outboard power amp or self-amplified speakers
  • "S-balanced" headphone amplification for unbalanced outputs
    • iFi's dual-mono circuitry helps reduce crosstalk between the left and right audio channel
  • sound control processing: XBass® (for boosting bass) and/or 3D Holographic® (for expanding soundfield)
  • two 3.5mm mini headphone outputs optimized for sensitive headphones (like in-ear monitors) by iFi's proprietary iEMatch technology
Back-panel inputs:
  • one set of balanced stereo XLR inputs
  • three sets of unbalanced stereo RCA inputs
Back-panel outputs:
  • one set of balanced stereo XLR audio outputs
  • one set of unbalanced stereo RCA audio outputs
  • DC power loop out and proprietary connector for add-on iFi Pro iESL electrostatic headphone energizer (sold separately)
Front-panel headphones outputs:
  • 4.4mm balanced output
  • one set of combination XLR/TRS 1/4" outputs
    • balanced left and right XLR 3-pin outputs
    • pair of 1/4" outputs for two unbalanced headphone connections, or a single balanced connection (using a custom cable)
    • use the right 1/4" jack for a single set of headphones
  • one balanced XLR 4-pin output
  • one unbalanced TRS 3.5mm output
  • one balanced TRRS 3.5mm output
General info & specs:
  • compatible with headphones with 16-600 ohms impedance
  • frequency response: 0.5-500,000 Hz (-3 dB)
  • solid-state THD: 0.0015% (balanced) 0.005% (unbalanced)
  • tube THD: 0.002% (balanced) 0.005% (unbalanced)
  • signal-to-noise ratio: >147dB (balanced) >137dB (unbalanced)
  • polished aluminum remote included
  • weight: 4.3 lbs.
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # Pro iCAN Signature

What's in the box:

  • Headphone amplifier
  • Wireless remote control
  • 19" RCA cable (male stereo RCA plugs on both ends)
  • User Manual
  • Warranty card
  • The separately packaged iPower Elite box contains:
  • DC power supply with attached 41" DC output cord (DC output 15V 3.5A)
  • 5' DC power cord (IEC C-13 3-prong plug)
  • 5 Barrel connector adapters
  • Reverse Polarity plug
  • Power Elite warranty card

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More details on the iFi Audio Pro iCAN Signature

Research Team

Features & specs

Design
Type Desktop/Component
Built-in Rechargable Battery No
Built-in DAC No
Amplifier Output Specs
Output Power 14000mW/4800mW
Output Impedance (Unbalanced) 16 ohms
Output Impedance (Balanced) 16 ohms
Audio Specs
Bit Depth (USB) 0
Max Sampling Rate (USB) N/A
Bit Depth (S/PDIF) 0
Max Sampling Rate S/PDIF N/A
S/N Ratio (Unbalanced, in dB) 137
S/N Ratio (Balanced, in dB) 147
THD (Unbalanced) 0.005%
THD (Balanced) 0.0015%
Supported File Types
PCM No
DSD No
DXD No
MQA No
Inputs
Total Inputs 4
USB No
Optical Digital None
Coaxial Digital None
3.5mm Digital None
Stereo RCA Analog 3
Stereo 3.5mm Analog None
Stereo XLR Analog 1
Headphone Outputs
3.5mm Unbalanced 1
1/4-inch Unbalanced 2
4.4mm Balanced 1
XLR4 Balanced 1
Other Headphone Outs XLR-3 combo x 2
Line Level & Digital Outs
RCA Line Out 1
3.5mm Line Out None
XLR Line Out 1
Subwoofer Out None
Optical Digital Out None
Coaxial Digital Out None
Wireless Connectivity
Bluetooth No
Wi-Fi No
Apple-compatible No
Android-compatible No
General Info
Width (inches) 8-7/16
Height (inches) 2-1/2
Depth (inches) 9-1/2
Weight 4.25 lbs.
Parts Warranty 1 Year
Labor Warranty 1 Year

Product Research

Features

Overview: The Pro iCAN Signature is iFi Audio's top-of-the-line headphone amplifier and pre-amplifier. It can drive any set of headphones, from sensitive in-ear monitors to hard-to-drive high impedance headphones. The Pro iCAN Signature offers balanced and unbalanced inputs and outputs, and multiple headphone connections. The headphone amp is equipped with dual vacuum tubes for exceptional sound quality. The Pro iCAN Signature includes iFi-Audio's top-of-the-line iPower Elite ultra low-noise power supply.

NOS GE5670: The Pro iCAN Signature features two U.S.-made General Electric NOS GE5670 vacuum tubes. The tubes come from new old stock, and undergo a special rejuvenation process. The tube circuit is designed to give you many years of enjoyment. A convex dome is positioned on the top panel just above the tubes, to allow you to view the orange glow from the vacuum tubes.

Operation Modes: Like its predecessor (the Pro iCAN), the Pro iCAN Signature lets you enjoy the sound of Solid-State circuitry and Tubes in the same product. Some components employ a Tube "effect" within a conventional solid-state design. The Solid-State setting may make some recordings sound more lively for some headphones or speakers, while the Tube options will sound more luxurious. You should select the mode that sounds best to you for that particular selection or moment. During the brief warm-up period in Tube or Tube+ mode, the LED logo will flash orange, then glow solid orange after warm-up. After an extended period of operation in Solid-State Mode, the tubes will switch off. A 3-way switch on the front panel lets you choose from the following Operation Modes:

  • Solid-State Mode: The device employs a pure solid-state circuit using J-FET transistors, with fully-discrete Class A performance.
  • Tube Mode: The two NOS GE5670 tubes are engaged, and the J-FET circuits are bypassed, to give you an all-valve Class A operation.
  • Tube+ Mode: The Tube+ position reduces overall loop-gain and minimizes negative feedback. This mode produces more of the tubes' natural harmonics, resulting in an even more luxurious sound.

Gain: The Pro iCAN Signature has a 3-way front panel switch to adjust the gain. You can select 0dB, 9dB, or 18dB. The unit can output more than 10V in the Single-Ended mode and 20V in Balanced Mode.

XBass: The XBass Bass Correction System is an analog signal processing circuitry that is sonically superior to Digital Signal Processing at correcting bass deficiencies. XBass is not a simple tone or loudness control. It raises the bass level up to 12dB at selected frequencies:

  • Off: XBass is disabled, allowing you to enjoy "direct" sound.
  • 10Hz: for headphones and loudspeakers missing only the very lowest bass (below 40Hz).
  • 20Hz: for headphones and loudspeakers missing some bass (below 80Hz).
  • 40Hz: for headphones and loudspeakers missing substantial bass, including some mid-bass (below 160Hz).

3D Holographic: Pro iCAN Signature offers separate Analog Signal Processing matrix circuits for the Headphone outputs and the Line Outputs:

  • 3D Holographic for Headphones: The vast majority (greater than 95%) of recordings are made for listening with loudspeakers. This has a negative impact when listening with headphones. 3D Holographic for Headphones eliminates the "in-head localization" that can cause listening fatigue or even a little nausea, and simulates the sound originating beyond your head. You can choose from the following modes:
    • 30° Loudspeaker Angle: simulates a narrow loudspeaker placement (such as computer or car speakers). It can also improve early stereo recordings or recordings that have been artificially enhanced for spaciousness.
    • 60° Loudspeaker Angle: simulates traditional loudspeaker placement in the "textbook" equilateral triangle.
    • 90° Loudspeaker Angle: simulates the wide loudspeaker placement favored by some audiophiles. It can also enhance recordings that lack spaciousness.
    • Off: 3D Holographic is disabled, allowing you to listen to the "direct" sound.
  • 3D Holographic for Loudspeakers: This matrix is applied to the line outputs and helps to correct the fundamental spacial distortion found in many stereo recordings. It can also widen the soundstage, placing it beyond the actual physical location of the speakers. There are three modes:
    • +: This mode corrects the spatial distortion caused by the recording, mixing, and mastering processes, restoring the original width of the soundstage. This should be the default setting for speakers that are optimally placed for imaging.
    • 30°+: This mode adds approximately 30° to the apparent width of the soundstage to enhance narrow speaker placement.
    • 60°+: This mode adds approximately 60° to the apparent width of the soundstage to simulate the wide speaker placement preferred by some audiophiles
    • Off: 3D Holographic is disabled, allowing you to listen to the "direct" sound.

Inputs: The iFi Audio Pro iCAN Signature features three unbalanced and one balanced input on the rear panel. The unbalanced inputs are labeled 1, 2, and 3, and have stereo RCA jacks. The balanced input features separate left and right XLR-3 female jacks. You can select any of the inputs using the large rotary knob on the front panel.

Headphone Outputs: The Pro iCAN Signature offers connections for a wide variety of headphones, including balanced and single-ended (unbalanced). The available headphone connections include the following:

  • 2 XLR Combo: The 2 combination jacks can accept either XLR 3-pin or 1/4" (6.3mm) plugs. You can connect left and right balanced XLR-3, or left and right balanced 1/4" headphone plugs. You can also connect unbalanced headphones with a 1/4" plug using the right combo jack for one pair or both jacks for two separate single-ended headphones. The left combo jack is a single-ended stereo inverted phase output.
  • 3.5mm Single-Ended: One 3.5mm (1/8") TRS headphone jack is provided for unbalanced headphones. This headphone jack has built-in iEMatch, which matches the output to high-sensitivity headphones.
  • 4.4mm Balanced: One 4.4mm Pentaconn balanced headphone jack (TRRS) is provided.
  • XLR 4-pin Balanced: One XLR 4-pin balanced headphone jack is provided.

S-Balanced: iFi Audio's exclusive S-Balanced technology lets you enjoy the benefits of a balanced connection in single-ended headphones. It cuts distortion by 50% to single-ended headphone connections.

Line Outputs: In addition to the headphone outputs, the unit offers a balanced line output (with male XLR-3 plugs) and an unbalanced line output (with RCA jacks). Even if single-ended (unbalanced) RCA inputs are used with the balanced outputs, the Pro iCAN Signature will still operate in fully-balanced mode for best sound quality.

  • Note: The line outputs are not switched off if headphones are connected. The Pro iCAN Signature should be used as a preamplifier OR a headphone amplifier. Mixed use is not recommended.

Isolation Base Mount: The Pro iCAN Signature features a 6-3/8" x 4-1/2" quad-damped isolation base mount to protect the internal components and circuitry from harmful vibration and electromagnetic interference. The four-layer base pad features dual layers of elastomers (silicone layer and copolymer of ethylene and vinyl acetate) and a dual layer of metal alloy (aluminum alloy layer and ferrous alloy layer, finished with a special honeycomb coating).

iPower Elite: The Pro iCAN Signature ships with the separately packaged iPower Elite, iFi-Audio's flagship power supply. iPower Elite has a whisper-quiet noise floor at less than 1 µV, which is 1000 times quieter than a typical power supply, and 100 times quieter than audiophile linear power supplies. It features Active Noise Cancellation II to actively cancel all incoming noise. iPower Elite is made of aircraft-grade 6063 aluminum for excellent heat dissipation and long life. Its 41"-long, extra-large OFHC copper power cable delivers high power with low loss. The power supply is rated at 15V - 3.5A output, and comes with various DC barrel connectors and a reverse-polarity plug. Dimensions: Length 5.843", Width 2.178", Height 2.02"; Weight 1.2 pounds

DC Loop-out: An additional DC barrel-type socket is provided to use with Pro iCAN Signature add-ons.

ESL-Link: A special HDMI connector is provided for use with the optional iFi Pro iESL Electrostatic Module. You should not connect any other device to this port.

Remote Control: The Pro iCAN Signature includes a new sleek aluminum infrared remote control (RC-101), the same as included with the Pro iDSD Signature. The remote lets you raise and lower the volume, and has a range of approximately 5 meters (16.4 feet). It is powered by a 3V Lithium CR2025 coin-cell battery (not included).

Specifications:

  • Frequency Response: 0.5 Hz to 500 kHz (-3dB)
  • Gain: 0dB, 9dB, 18dB (selectable)
  • Total Harmonic Distortion (THD):
    • Solid-State: <= 0.0015% (balanced); <= 0.005% (single-ended)
    • Tube: <= 0.002% (balanced); <= 0.005% (single-ended)
    • Tube+: <= 0.012% (balanced); <= 0.2% (single-ended)
  • Signal-to-Noise Ratio: >147 dBA (balanced); >137dBA (single-ended)
  • Output Power (16 ohms): >14,000mW (balanced); >4,800mW (single-ended)
  • Output Voltage (600 ohms): >23V (balanced); >11.5V (single-ended)
  • Input Voltage (Pro iCAN Signature): DC 15V / 4A
  • Input Voltage (iPower Elite): AC 100-240V, 50/60Hz, 1.5A
  • Power Consumption: <= 22W idle, 50W max.
  • Dimensions: Width 8.384", Height 2.495", Depth 7.575" (9.5" w/connectors)
  • Weight: 4.25 pounds

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