BRZHIFI BZ-A600i Audiophile Grade HIFI Integrated Amplifier

The BRZHiFi BZ-A600i is a 2-channel Class AB integrated Hi-Fi amplifier designed around a reproduction of the British Sugden SF60 circuit. It combines an analog preamp, built-in tone controls, and wireless Bluetooth connectivity into a single aluminum chassis.

Key Specifications & Hardware

According to the BRZHIFI BZ-A600i User Manual and official product listings on BRZ-HiFi-Audio, the unit includes the following hardware and ratings:

• Amplifier Architecture. It uses a Class AB design modeled on the British Sugden SF60 circuit with precision-paired Toshiba 5200 transistors.
• Core Chip: NJW1194 electronic volumn control, QCC3095 Bluetooth, PCM5102 Decoding, OPA1612.
• Power Transistor: 4 Pair of Toshiba 2SC00/2SA1943 Audio Transistor. 
• Main Filter Capacitor: Novar 10000uf/63V X 4PCs
• Power Supply & Protection. The internal layout features a 400W pure copper wire-wound toroidal transformer paired with Omron protection relays.
• Power Output. Listings rate the output at 140W to 150W per channel into an 8Ω load, with support for 4Ω to 8Ω loudspeakers. (Note: A listing typo on one storefront states 200W at 4Ω, which is inconsistent with the 400W transformer rating).
• Audio Performance. Official listings state a frequency response of 10Hz–20kHz and a signal-to-noise ratio of 100dB.
• Dimensions & Weight. The chassis measures 360 × 275 × 90 mm and weighs 10 kg.

Connectivity & Controls

• Wired Inputs. The rear panel provides multiple unbalanced RCA analog inputs.
• Wireless Audio. A built-in Qualcomm QCC3095 chip supports Bluetooth 6.2 streaming via an external rear antenna.
• Speaker Outputs. Standard heavy-duty binding posts accommodate 4–8Ω passive speakers.
• Front Panel & Remote. Users can adjust volume, bass, treble, and channel balance directly on the unit or via the included full-function remote control.