AIYIMA A70 300W x 2 Channel Balanced Stereo Amplifier

AIYIMA A70 Amplifier With 48V, 5A, 240W Power Supply

The AIYIMA A70 is a high-performance Class D stereo amplifier featuring the TPA3255 chipset with Post Filter Feedback (PFFB) technology. Delivering up to 300W per channel at 4Ω, it offers both RCA and XLR inputs, a subwoofer output for 2.1 channel setups, and a 12V trigger input. Its compact design and replaceable NE5532 op-amp make it a versatile choice for audiophiles seeking powerful and clear sound reproduction.

Features:

• TPA3255 Class D amplifier chip with PFFB (Post Filter Feedback) technology for low distortion
• Up to 300W x 2 4Ω output power for robust stereo performance</li><li>Balanced XLR and unbalanced RCA inputs for versatile connectivity</li><li>Dedicated subwoofer output for 2.1 channel audio setups</li><li>12V trigger input for smart power control integration</li><li>Replaceable NE5532 op-amp for customization and upgrade potential</li><li>Compact aluminum housing with efficient passive heat dissipation</li><li>Independent volume and bass/treble control knobs for personalized sound tuning</li> </ul><br><div><div></div></div> </div><br><br><br><ul><li><strong>Amplifier Chip:</strong> Texas Instruments TPA3255</li><li><strong>Op-Amp:</strong> NE5532 (replaceable)</li><li><strong>Input Options:</strong> XLR (balanced), RCA (unbalanced)</li><li><strong>Output Power:</strong> 300W x2 4Ω / 150W x2 @ 8Ω (48V/10A power supply recommended)
• Subwoofer Output: Mono RCA for powered subwoofer
• Trigger: 12V trigger input for external device control
• Frequency Response: 20Hz–20kHz (±1dB)
• THD+N: ≤0.005%
• SNR: ≥110dB
• Input Sensitivity: 1.5V (RCA), 3.0V (XLR)
• Power Supply:48V, 5A, 240W
• Dimensions (L x W x H): 188mm x 158mm x 52mm
• Net Weight: Approx. 1.2kg

* DISCLAIMER: Design, features and specifications subject to change without notice. Some features in videos on the Internet may not be available on all models, please contact us for the TECHNICAL SPECIFICATIONS for a complete list of features by model. This feature list is for reference only, please contact us to verify features and functionality.