X350.8 vs X350.5
The X350.5 matches the X350.8 on power @ 8ω (350W), power @ 4ω (700W), damping factor (>100), and thd (1.000%).
AI-generated product photo — not official manufacturer imagery.
AmplifiersPower AmplifiersDiscontinued
Estimated price (community-sourced)
$4,899
Around — community and catalog average, updates slowly
About the X350.8
The Pass Labs X350.8 is the largest and most powerful stereo power amplifier in the Pass Labs lineup, rated at 350 watts per channel into 8 ohms in Class AB. It utilizes a fully balanced design with patented Supersymmetry circuitry enhanced by NOS Toshiba JFETs, larger toroidal transformers, increased storage capacitance, precise regulated voltages, and larger heat sinks. Designed for listeners seeking emotional ease, extra slam, control, and headroom, it provides big bass authority, clear separation, a relaxed top end, and stability in revealing systems. Ideal for speakers requiring firm control, it maintains musical refinement at high volumes without sounding mechanical.
Specifications
Power Specifications
Amplification power output and characteristics
- Power @ 8Ω
- 350W @ 8Ω
- Power @ 4Ω
- 700W @ 4Ω
- Amplifier Class
- AB
- Damping Factor
- >100
Analog Output
Analog signal output specifications
- THD
- 1.000%
- Output Voltage
- 0.1V RMS
Connectivity
Input and output connections
- Bluetooth
- No
- Wi-Fi
- No
- Ethernet
- No
- Analog Inputs
- XLR, RCA
Physical Dimensions
Size, weight, and appearance
- Dimensions
- 482.6 × 279.4 × 533.4 mm (W × H × D)
- Weight
- 57.6 kg (127 lbs)
Key Specifications
Power: 350W
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions