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AIYIMA A70 2.1 Channel Amplifier

AIYIMA's A70 is a 2.1-channel Class D amplifier featuring quality components. In fact, it incorporates a TI TPA3255 amplifier chip combined with two NE5532 AOPs for an output power of up to 2x 185W at 4 ohms. The AIYIMA A70 features an original vertical form factor and a complete connectivity interface located on the rear panel.

Average votes for this product
2.0 / 5
  Based on 1 customers reviews.

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Reference : 19009
New product

229,00 €tax incl.

190,83 € tax excl.
Including 0,05 € for green tax

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Shipping date: 04-12-2024.

Orders placed before 12h (GMT+1) will generally be shipped the same day (working day).

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Facturation France
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2 Years warranty

Accessories for this product

Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.

 
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AIYIMA A702.1 Channel Amplifier TPA3255 2x 185W @ 4 ohm

AIYIMA A70 picture

AIYIMA's A70 is a 2.1-channel Class D amplifier featuring quality components. In fact, it incorporates a TI TPA3255 amplifier chip combined with two NE5532 OPAs for an output power of up to 2x 185W at 4 ohms. The AIYIMA A70 features an original vertical form factor and a complete connectivity interface located on the rear panel: XLR/TRS 6.35mm balanced input, RCA input, active subwoofer output and speaker terminal output. The interface is completed by a frequency cutoff potentiometer for the subwoofer output and a 12V trigger input on a 3.5mm jack. The front panel features an impressive potentiometer for precise volume control.

AIYIMA A70: a powerful amplifier

Thanks to its TI TPA3255 amplifier chip, the AIYIMA A70 amplifier is able to deliver up to 2x 185W into 4 ohm which is a considerable amount of power. The TI TPA3255 amplifier chip features an integrated feedback design with error correction (PurePath™ UltraHD) that allows for very low levels of distortion across the entire audio band and superior overall sound quality.

Photo of TI TPA3255 chip
AIYIMA A70 picture

AIYIMA A70: two DIP8-mounted OPANE5532

Two NE5532 OPAs add color to the sound at the output of the AYIMA A70. These low-distortion, low-noise operational amplifiers are DIP-mounted for easy replacement according to your preferences with many compatible OPAs: RT3609SM, OPA2604, OPA2134, LM4562, JRC5532, OP275GSZ, OPA1612, MUSES01/02/03, etc.

AIYIMA A70: subwoofer output for 2.1-channel systems

In terms of outputs, the AIYIMA A70 features a subwoofer output on an RCA connector for an active subwoofer with a 150Hz-600Hz frequency cutoff potentiometer. This makes it easy to set up a 2.1-channel home theater system and enjoy immersive bass.

Rear view of AIYIMA A70

AIYIMA A70 overview

AIYIMA A70 connectors overview
1Balanced stereo XLR / TRS 6.35mm jack input
2Subwoofer cut-off frequency setting
312V Trigger
4RCA stereo input
5RCA gain +3.0dB
6Subwoofer output
736V-48V DC power supply
8Speaker terminals

AIYIMA A70 test by Audio Science Review (Amir)

Logo Audio Science Review

Technical characteristics

Specifications
Product typeClass D amplifiers
Channels2.1 channel
Amplification chipTI TPA3255
OPANE5532
Inputs1x XLR stereo / TRS 6.35mm balanced jack
1x RCA stereo
OutputsSpeaker terminals
1x Active subwoofer output on RCA connector
Other connectors12V trigger on 3.5mm jack
Output power2x 185W @ 4 ohm (THD+N=1%)
2x 105W @ 8 ohm (THD+N=1%)
THD0.0015% (@1W)
SNR≥ 116dB
Frequency response20Hz-20KHz (±1DB)
XLR input sensitivity3.8Vrms (19dB)
RCA input sensitivity1.9Vrms (25 DB) / 1.1Vrms (28.5 DB)
Termination impedance4-8Ω
Subwoofer output20Hz~150Hz/600Hz (-3dB), adjustable cut-off frequency
General
Power supply32V-48V DC
Dimensions146 x 79 x 90mm
ColorBlack
Package1x AIYIMA A70 amplifier
1x 48V 10A power adapter
 
Data sheet
InputXLR
InputJack 6.35mm
InputRCA
OutputSubwoofer
OutputSpeaker terminal
ColorBlack
Channel2.1
ClassClass D / T
Amplifier chipTPA3255
Power (W)185.0
Remote ControlNo
 
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Average votes
2.0 / 5
1 reviews
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 2/5
Date :
Disappointing result, failure of the power supply after few hours
I wanted to use this amp for the bass unit of a threeway-system, 20cm 8-Ohm driver with active lowpass at 500 Hz, nothing special to drive. The amp went really hot but wasn't able to deliver the same bass amount and quality like my Icepower 125ASX2 did. I addition the power supply broke down with loud ticking noises after a few hours of work. It was my first and last experience with an hyped Aiyima Amp. Flawless and good service from Audiophonics with fast payback.
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This review has been posted for AIYIMA A70 2.1 Channel Amplifier TPA3255 2x185W 4 Ohm
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AIYIMA A70 2.1 Channel Amplifier TPA3255 2x185W 4 Ohm
AIYIMA A70 2.1 Channel Amplifier TPA3255 2x185W 4 Ohm
AIYIMA's A70 is a 2.1-channel Class D amplifier featuring quality components. In fact, it incorporates a TI TPA3255 amplifier chip combined...

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