The Heschl Audio Labs HAL 350 is a high-performance amplifier with 350 watts per channel, an integrated DAC for unmatched synergy, and Bluetooth app control. Its minimalist design and powerful output deliver a superior listening experience for even the most demanding audio setups.
The Heschl Audio Labs HAL 350 is a testament to exceptional engineering and design, delivering a truly dynamic and immersive listening experience. Built with quality components and designed to operate with perfect synergy, the HAL 350 ensures exceptional sound clarity and power for audiophiles seeking superior audio performance.
Powerful Performance
With 350 watts per channel at 8 ohms and 600 watts per channel at 4 ohms, the HAL 350 effortlessly drives even the most demanding loudspeakers. Its robust power output ensures ample headroom, delivering everything from delicate nuances in classical music to the raw energy of high-decibel rock. The amplifier is designed for versatility, with a range of inputs including RCA, optical, coax, and USB, providing a seamless experience with various audio sources.
Integrated DAC for Perfect Synergy
One of the HAL 350’s key features is its integrated DAC, eliminating the common mismatch issues that occur in many high-end systems. This design choice ensures perfect harmony between components, resulting in a high-end amplifier that is second to none. The DAC employs a custom discrete R-2R design with advanced FIFO buffering, providing ultra-low jitter and a clean, detailed sound that captures every nuance of the music.
Modern Convenience
The HAL 350 includes a Bluetooth Remote Control App, compatible with both iOS and Android, allowing users to control the amplifier directly from their smartphone or tablet. This feature provides modern convenience and ensures that all functions are easily accessible.
Precision Engineering
Heschl Audio Labs’ minimalist design philosophy ensures every component of the HAL 350 is carefully selected and tuned to work together as one. The result is an amplifier that excels in both simplicity and sophistication, delivering a ‘sound experience’ that is powerful yet refined. Whether it’s a full-scale orchestra or a solo performance, the HAL 350 brings the music to life with accuracy and emotional depth.
Conclusion: Masterful Sound Engineering
The Heschl Audio Labs HAL 350 is a masterpiece of engineering, designed to deliver a truly exceptional listening experience. Its combination of raw power, integrated DAC, and precision-engineered components make it a standout choice for audiophiles who demand the best from their audio system. Built to last and designed for superior performance, the HAL 350 represents the pinnacle of high-end audio amplification.
Additional information
Weight
38.5 kg
Dimensions
40.8 × 43.5 × 25 cm
Summary Specifications
Continuous output power (ref. 2Hz – 250kHz) – 8 ohms — ≥350W
Continuous output power (ref. 2Hz – 250kHz) – 4 ohms — ≥600W
IHF Dynamic power – 8 ohms — ≥350W
IHF Dynamic power – 4 ohms — ≥600W
2 ohms stable
Maximum output current — >18A
DAC Specifications
USB input up to 384KHz sample rate
SPDIF and TOSLINK input up to 192KHz
Automatic De-emphasis for 44.1KHz material
Built-in set of simple FIR filters for all sample rates
THD at -1dB output is 0.008%
S/N 20Khz Bandwidth is 127 dB Unweighted
Digital USB input
Computer (USB Type B) — 24 bit/96 kHz PCM content from PC or MAC up to 384 kHz sample rate
Normal operation — 1600W (ref. 100 – 240V AC 50/60 Hz)
Standby power — <0.5W
Idle power — 100 W
About Heschl
Heschl Audio Labs, an Australian audio manufacturer based on the Gold Coast, is renowned for its powerful and meticulously crafted amplifiers. Founded by Rod Harris, the company focuses on delivering immersive sound experiences with products that are designed to transport listeners into the heart of the music. The company’s flagship amplifier, the HAL350, exemplifies this ethos with its unique integration of high-quality components and cutting-edge design.
The HAL350 is an integrated DAC amplifier, delivering an impressive 350 watts per channel into 8 ohms and 600 watts into 4 ohms, making it capable of driving even the most demanding speakers with ease. At its core, the HAL350 features a custom R-2R DAC design and a powerful toroidal transformer, contributing to its massive soundstage and dynamic range. The amplifier’s design is influenced by tube amplifier characteristics, providing an open and spacious sound while avoiding the fragility associated with tube components. Users have praised its ability to produce a large, three-dimensional soundstage, filling rooms with depth and clarity that rivals high-end tube amplifiers.
Another standout model from Heschl Audio Labs is the HAL300, which shares many of the design principles of the HAL350 but is built as a stereo power amplifier. It delivers 300 watts per channel into 8 ohms and 550 watts into 4 ohms, supported by a massive 1,600 VA custom toroidal transformer. The HAL300 excels in delivering fast transients, deep bass, and a clear, layered soundstage, making it an excellent option for audiophiles who value both power and precision in their sound systems.
Heschl’s amplifiers are known for their minimalist design, robust power supplies, and a focus on producing a natural and realistic sound. Whether it’s the HAL350’s integrated DAC or the pure power of the HAL300, these amplifiers are built to offer an immersive and engaging listening experience for discerning audiophiles.
Reviews
Micheal Stavrou Cheif Engineer at Studio Stav
“When I first heard the Heschl HAL350 amplifier I couldn’t believe my ears. Until you hear it all this text is just poetry. The unbelievable aspect of this amp is, and I’ve no idea how Rod managed to do this, but the experience is like taking you back in time in a good way.”
“In my opinion, Heschl Audio Labs deserves a standing ovation, and the tireless work devoted to making the HAL350 sound the way that it does should be celebrated.”
“Song 11 was good, but not good enough so it had to be repeated at drastically increased volume, yep, far better (song 11 is my electric guitar test track, I’m sure everyone understands) then into the drum test track. Loved every minute of it I did. This Heschl is pretty damn good guys.”
