Starke Sound A2
Built for speakers that demand real authority, the Starke Sound A2 combines 620W-per-channel power, 100A current delivery and a Class A+AB topology for large-scale dynamics and commanding control. HomeTheaterHifi highlights its unusually substantial power and presence, while balanced locking XLR inputs and premium binding posts underscore its serious high-end engineering.
WATT RECOMMENDS
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Kinda Soggy
Sound Quality
60/100
Build Quality
85/100
Value for Money
85/100
Pros
Exceptional power and dynamic authority, supported by reviewer praise for its rare scale and power.
WATT RECOMMENDS
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What Reviewers Are Saying
SOUND QUALITY PERFORMANCE 60/100
The available review extract offers emphatic praise for the amplifier's sheer scale and power, but provides little direct listening detail beyond that. It does not meaningfully address tonal character, resolution, or spatial presentation.
Transparency Resolution
50/100
The supplied review extract does not discuss clarity, low-level detail, background quietness, or perceived resolution. Its comment on exceptional weight and power is not enough to establish how transparent the amplifier sounds.
Tonal Balance Musicality
50/100
Reviewers say little about tonal balance, timbre, warmth, neutrality, or long-term musical engagement. No supported conclusion can be drawn about the A2's tonal voice from the available commentary.
Dynamics
88/100
HomeTheaterHifi describes the A2.640 as arriving with "weight and power rarely seen (or heard)" in high-end audio, strongly indicating exceptional scale and authority. The published 620W-per-channel rating into 4 ohms and 100A maximum current capability are consistent with an amplifier intended to exert substantial control over demanding speakers.
Soundstage Imaging
50/100
The available review material does not comment on stage width, depth, image focus, or layering. There is therefore no direct listener evidence about the amplifier's spatial presentation.
Assessments of Build Quality, Usability, and Overall Propositions.
Build Quality
85/100
The A2 is specified as a substantial 88.2-pound Class A+AB stereo amplifier, with 50 watts of Class A operation per channel, balanced self-locking XLR inputs, beryllium-copper binding posts, and a 32A power connector. These are serious engineering provisions for a high-current design, although the available review extract does not assess fit, finish, reliability, internal construction, or thermal behavior.
Value for Money
85/100
At $9,000, the A2 competes in a demanding high-end power-amplifier market where power delivery, refinement, and build execution all matter. None of the supplied review material compares its performance or ownership proposition with similarly priced rivals, so there is little direct guidance on whether its asking price is especially compelling.
Reviews & Sources
Professional reviews and sources for this product's Watt'n Potatoes analysis.
Online Reviews & Mentions
YouTube Reviews
Forum Mentions
No forum mentions found yet
Specifications
- Output Power
- 620W RMS at 4 ohms
- Channel quantity
- 2 channels
- ClassA power
- 50W at 2Ω, 4Ω, 8Ω, per channel
- Amplifier type
- Class A+AB
- Frequency Response
- 5 Hz to 50 kHz (+0/-1 dB)
- Signal-To-Noise Ratio（SNR）
- >120 dB, A-weighted
- THD+N
- <0.002% at 1 kHz, at 10 W, 4 Ω
- Maximum output current per channel
- 100A
- Input terminals
- 2 Blanced Self-locking XLR connector, 24K gold plated, Teflon PTFE Isolation
- Output terminals
- 2 pairs of HL301, CNC beryllium copper binding posts, 24K gold plated
- Power input
- 32A self-locking power socket
- Full size
- W 17.3 x H 7 x D 21.3 inches (w/ foot&faceplate) W 440 x H 177.8 x D 540mm (w/ foot&faceplate)
- Weight
- 88.2 lbs(40kg)
- Shipping size
- L 25.4 x W 22.6 x H 10.9 inches L 644 x W 574 x H 278 mm
- Shipping weight
- 110.2 lbs(50kg)
Manufacturer's Description — Starke Sound
Signature A+AB
A Tribute to Stereo
Extremely low distortion and a natural, warm sound.
Seamless, smooth transition between 50W of Class A power and 620W of Class AB power,
Allows for both exceptional sound quality and massive dynamic range.
A2
Starke Sound’s multi-channel amplifiers have long set the standard in home theater and high fidelity audio.The A Series is designed with a singular mission: deliver immense power with flawless sonic precision.
This 2 channel addition to the product line features our third generation Class A+AB design, providing up to 620 watts per channel at 4Ω with a fully balanced topology and a power supply capacitor array of up to 176,000 µF.Its high-bias design ensures Class A operation for nearly all music and audio signals, while seamlessly transitioning to Class AB during peak moments—often less than 1% of content—to maintain uncompromised dynamic range.In essence this is a pure Class A listening experience with extraordinary power reserves.
A hybrid heat dissipation system, combining aluminum alloy and copper, eliminates the need for fans, delivering silent operation without sacrificing performance.Ultra-low distortion, abundant energy reserves, and silent cooling make the A2 the perfect centerpiece for Hi-Fi and high-end audio systems, capable of meeting the most demanding standards of audiophiles and music enthusiasts.
Bespoke Components
Starke Sound HL301 Speaker Terminals withLocking Torque:
Powerful Design
High Current X High PowerWorry-free Driving
Master the Soundscape
Verified Dealers
Online Dealers
All Dealers
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Authorized dealers for Starke Sound A2
- Heartbeats + Headshells — in-store — Santa Fe, New Mexico, United States (website)
- Instal Audio — online and in-store — Konin, Województwo wielkopolskie, Poland (website)
- Sun Mountain AV — in-store — Colorado Springs, Colorado, United States (website)
- Vigilant Audio — online and in-store — Redondo Beach, California, United States (website)
- Yosemine Audio — in-store — Shenzhen, Guangdong, China (website)