BRZHIFI PA-490B Black Gold Thick Film Hifi Power Amplifier BT 5.3 TFT Color Screen Lossless Playback Home Audio Amp

Key Specifications

• Amplifier Architecture. Uses original Sanyo thick-film hybrid audio modules (similar to classic STK-series designs) for 2.0-channel stereo output.
• Output Power. Rated at 60W × 2 into 8 ohms and 90W × 2 into 4 ohms.
• Wireless & Playback. Built-in Bluetooth 5.3 receiver with support for lossless local audio playback.
• Display & Controls. Features a front-panel TFT color screen and includes a full-function remote control.
• Chassis Design. Housed in an all-aluminum enclosure finished in a black and gold edition.

DETAILED SPECIFICATIONS
1. BASIC INFO
Brand: ER?HIFI
Model: PA-490B
Amplifier Type: Integrated Thick-Film Amplifier

2. CORE CONFIGURATION
Amplifier Module: Sanvo STK490-090 Thick-Film Amplifier Module
DAC Chip: PCM5102
Bluetooth Solution: AB5301A Chip, Bluetooth 5.3
Power Supply: 200W Toroidal Transformer + High-Quality Filter Capacitors

3. PERFORMANCE PARAMETERS
Rated Output Power: 60W × 2 (8Ω) / 90W × 2 (4Ω)
Amplification Factor: 50×
Signal-to-Noise Ratio: ≥100dB
Total Harmonic Distortion: ≤0.95dB
Treble / Bass Adjustment: ±10dB
Frequency Response: 10Hz–20kHz
Speaker Impedance: 4–8Ω

4. INTERFACE CONFIGURATION
Input Ports: RCA Analog Input / Bluetooth Wireless Input / USB Audio Input
Output Ports: Gold-plated Speaker Terminals (Bare wire and Banana plug compatible)

5. OTHER CONFIGURATION
Display Module: 2.8-Inch TFT LCD Screen (with analog meter display)
Control Method: Knob Adjustment / IR Remote / APP Control (Supports U-disk playback)
Operating Voltage: 110–220V Wide-range AC Input
Product Dimension: 173 × 308 × 70mm (W × D × H), including foot pads
Weight: 4.3kg