[Pre-order] Holo Audio Bliss L2 KTE Headphone Amplifier

Pre order. Lead time 3 weeks.

Demo available at The Adelphi showroom.

3 Years Local Warranty.


Any mention of "us," "we," "our," etc is by Holo Audio, not AV One.


The Holo Audio Bliss is here! This has taken a long time and tremendous R&D to deliver a head-amp that does everything well. Enough power for any headphones! And delivering our intoxicating sound signature that Holo Audio is known for.


General info: 


Single-ended RCA input (QTY 3)

Maximum amplitude: 8.4Vrms

Input impedance: 6.2KΩ


Balanced XLR input (QTY 2)

Maximum amplitude: 16.8Vrms

Input impedance: 12.4KΩ



4P XLR Output

Low impedance mode (LO-Z): Output impedance 0Ω, power 12Wrms@32Ω

High impedance mode (HI-Z): output impedance 15Ω, power 2.5Wrms@150Ω


4.4mm Pentaconn Output

Low impedance mode (LO-Z): output impedance 2Ω, power 12Wrms@32Ω

High impedance mode (HI-Z): output impedance 17Ω, power 2.5Wrms@150Ω


6.35mm TRS Output

Low impedance mode (LO-Z): output impedance 1Ω, power 3Wrms@32Ω

High impedance mode (HI-Z): output impedance 8.5Ω, power 0.6Wrms@150Ω



Single-ended RCA Output

Maximum amplitude: 10Vrms

Output impedance: 20Ω


Balanced XLR Output

Maximum amplitude: 20Vrms

Output impedance: 40Ω



Size: 430 x 300 x 55mm (W x L x H, Dimensions do not include protruding parts) additional 12 mm for machined feet

Weight: 10kg



Power Input (configurable, see label on bottom of unit for specified input)

220-230V 50/60Hz – Use Fuse Type 2A SB 5x20mm (when internal switches are set@220v)

110-115V 50/60Hz – Use Fuse Type 4A SB 5x20mm (when internal switches are set@110v)


Power consumption


The following is added to KTE BLISS:

  1. 100VA DUAL O-type (not Toroid) FLATWIRE (NOT roundwire) 6N Copper custom handmade audio transformers. Only KTE Model
  2. All copper wire is replaced with 1.5mm pure occ silver wire. Only KTE model
  3. Replaced IEC inlet connectors with pure silver/rhodium plated faston connectors at the IEC inlet. Only KTE model.
  4. Fuse is upgraded with world class Red Nano fuse with gold/silver and graphene and quartz filtering materials. Only KTE Model
  5. Standard caps are upgraded with Audio Note Kasei capacitors. Only KTE Model
  6. Custom made Holo Audio 1000V 1uF caps / Mundorf evo silver/gold caps (both are standard in all models of bliss)

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