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AIYIMA 2-Channel Class D Bookshelf Speakers for Desktop Home Theater

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Product Details

AIYIMA A70 Balanced Stereo Amplifier with PFFB, TPA3255 2-Channel Class D Amplifier for Desktop Home Theater Bookshelf Speakers, with XLR & RCA Inputs & Trigger Input, DC48V 5A Power Adapter Included
Voltage 48 Volts
Manufacturer AIYIMA
Maximum Supply Voltage 48 Volts
Minimum Power Voltage 48 Volts
Brand AIYIMA
[Equipped with PFFB] The AIYIMA A70 is the first stereo home audio Class D amplifier on the market based on TI's TPA3255 chip, equipped with a Post-Filter Feedback Loop (PFFB).
[Equipped with 12V Trigger Input and RCA Audio Input] The trigger input allows for easy one-button activation of the audio chain from the source. This gain switch can be used to boost the signal input to the RCA input.
[Balanced Input] The AIYIMA A70 stereo amplifier adopts XLR audio signal input.
[With RCA Output and Sub Channel Output] The sub channel output with variable filter output is controlled by the volume setting, adding an adjustable cutoff frequency (20-150hz/20-600hz) to the low-pass filter output, allowing you to easily build a 2.1 channel audio system that matches your desktop speakers.
[Professional Audio Components] Simple appearance with professional audio components, excellent performance, measured SINAD up to 96dB, S/N ratio up to 116dB, can provide excellent audio quality.
[Replaceable Op-Amp Chips] By replacing op-amp chips such as Sparkos SS3602, MUSES02, OPA2604, OPA2134PA, OP249, AD827, RM4558, LM4562, LME49720HA, you can explore subtle changes in sound quality and increase the fun of customization.
[A70 Note] When turning off the power, there is a slight popping sound, which is normal. Please do not worry.

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Category
Headphone Amplifier / Dac
Condition
New/unused
Shipping
Included in price (by seller)
From
Osaka

Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.

Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.

Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.

Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.

Customer Reviews (33)

4.5
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Based on 326 reviews
5 stars
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4 stars
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M
User3761760
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2026-11-09

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