TOPPING

TOPPING - A90

Name: TOPPING - A90
Brand: TOPPING
SKU: TOPPING - A90
Price: 49999.0 INR
Availability: InStock

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Bank	3 Months	6 Months	9 Months	12 Months	18 Months	24 Months
AXIS	12%	12%	14%	14%	15%	15%
STANDARD CHARTERED	13%	13%	14%	14%	-	-
ICICI	13%	13%	13%	13%	15%	15%
YES BANK	12%	12%	13%	13%	14%	15%
HDFC	15%	15%	15%	15%

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Chi-Fi
Excellence

Ideal for
Audiophiles

Ideal for
Indoor Use

For Studio &
Professionals

1 Year of
Warranty

Balanced XLR
Output

DESCRIPTION

The Topping Audio A90 is a certified Hi-Res Audio amplifier. This high-performance Amp employs the new Nested Feedback Composite Amplifier (NFCA) module. The voltage-current hybrid feedback architecture and ultra-high gain feedback technology offer powerful performance and superb dynamic range of 145dB.

Connect your A90 to any headphone or IEM of your choice. It has three output jacks i.e. 4-pin XLR, 4.4 balanced and single-ended 6.35mm. It has a high-output voltage of SE 25Vpp/ balanced 49Vpp with an output impedance that's less than 0.1Ω. You also get 3 different gain settings for single-ended (-9.5dB/0dB/9.5dB) and balanced (-3.5dB/6dB/15.5dB) connections. Apart from powerful full-sized over-ears, this amplifier is perfect for sensitive IEMs as well with a noise floor of 0.2uVrms.

You can easily connect your A90 in pre-amplifier mode with the Topping Audio D90 DAC as well as any active speaker or power amplifier. When in pre-amp mode, the output impedance for single-ended connections is 20Ω and for balanced connections is 40Ω.

SPECS

A90 HEADPHONE AMPLIFIER SPECIFICATION

THD+N @ 1kHz A-WT	SE IN/SE OUT:<0.00007% @Output=500mW(32Ω), <0.00006% @Output=80mW(300Ω) BAL IN/SE OUT:<0.00009% @Output=500mW(32Ω), <0.00006% @Output=80mW(300Ω) SE IN/BAL OUT:<0.00007% @Output=2000mW(32Ω), <0.00006% @Output=320mW(300Ω) BAL IN/BAL OUT:<0.00009% @Output=2000mW(32Ω), <0.00006% @Output=320mW(300Ω)
THD+N @ 20-20kHz 90kBW	SE IN/SE OUT:<0.0004% @Output=500mW(32Ω), <0.0001% @Output=80mW(300Ω) BAL IN/SE OUT:<0.0004% @Output=500mW(32Ω), <0.0001% @Output=80mW(300Ω) SE IN/BAL OUT:<0.0004% @Output=2000mW(32Ω), <0.0001% @Output=320mW(300Ω) BAL IN/BAL OUT:<0.0004% @Output=2000mW(32Ω), <0.0001% @Output=320mW(300Ω)
SNR @MAX OUT 1kHz-A-WT	SE IN/SE OUT:141dB BAL IN/SE OUT:137dB SE IN/BAL OUT:145dB BAL IN/BAL OUT:138dB
DYNAMIC RANGE @MAX OUT 1kHz-A-WT	SE IN/SE OUT:141dB BAL IN/SE OUT:137dB SE IN/BAL OUT:145dB BAL IN/BAL OUT:138dB
FREQUENCY RESPONSE	SE IN/SE OUT:20Hz-40kHz(±0.5dB) BAL IN/SE OUT:20Hz-40kHz(±0.1dB) SE IN/BAL OUT:20Hz-40kHz(±0.5dB) BAL IN/BAL OUT:20Hz-40kHz(±0.1dB)
OUTPUT LEVEL	SE IN/SE OUT:9Vpp @G=L, 25Vpp @G=M, 25Vpp @G=H BAL IN/SE OUT:9Vpp @G=L, 25Vpp @G=M, 25Vpp @G=H SE IN/BAL OUT:18Vpp @G=L, 49Vpp @G=M, 49Vpp @G=H BAL IN/BAL OUT:18Vpp @G=L, 49Vpp @G=M, 49Vpp @G=H
AP MEASURED NOISE LEVEL @A-WT	SE IN/SE OUT:<0.7uVrms @G=L, <0.7uVrms @G=M, <0.9uVrms @G=H BAL IN/SE OUT:<0.7uVrms @G=L, <0.7uVrms @G=M, <0.9uVrms @G=H SE IN/BAL OUT:<0.9uVrms @G=L, <0.9uVrms @G=M, <1.4uVrms @G=H BAL IN/BAL OUT:<0.9uVrms @G=L, <0.9uVrms @G=M, <1.4uVrms @G=H
ACTIVE NOISE LEVEL @A-WT	SE IN/SE OUT:<0.2uVrms @G=L, <0.2uVrms @G=M, <0.6uVrms @G=H BAL IN/SE OUT:<0.2uVrms @G=L, <0.2uVrms @G=M, <0.6uVrms @G=H SE IN/BAL OUT:<0.6uVrms @G=L, <0.6uVrms @G=M, <1.3uVrms @G=H BAL IN/BAL OUT:<0.6uVrms @G=L, <0.6uVrms @G=M, <1.3uVrms @G=H
CHANNEL CROSSTALK @1kHz	SE IN/SE OUT:-106dB BAL IN/SE OUT:-102dB SE IN/BAL OUT:-105dB BAL IN/BAL OUT:-102dB
IMD CCIF @(18kHz+19kHz)	SE IN/SE OUT:-118dB BAL IN/SE OUT:-118dB SE IN/BAL OUT:-118dB BAL IN/BAL OUT:-118dB
IMD SMPTE @(60kHz+7kHz)	SE IN/SE OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1 BAL IN/SE OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1 SE IN/BAL OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1 BAL IN/BAL OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1
INPUT SENSITIVITY	SE IN/SE OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H BAL IN/SE OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H SE IN/BAL OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H BAL IN/BAL OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H
GAIN	SE IN/SE OUT:-9.5dB @G=L, 0dB @G=M, 9.5dB @G=H BAL IN/SE OUT:-9.5dB @G=L, 0dB @G=M, 9.5dB @G=H SE IN/BAL OUT:-3.5dB @G=L, 6.0dB @G=M, 15.5dB @G=H BAL IN/BAL OUT:-3.5dB @G=L, 6.0dB @G=M, 15.5dB @G=H
OUTPUT IMPEDANCE	SE IN/SE OUT:<0.1Ω BAL IN/SE OUT:<0.1Ω SE IN/BAL OUT:<0.2Ω BAL IN/BAL OUT:<0.2Ω
OUTPUT POWER	SE IN/SE OUT:3300mW X 2 @16Ω THD+N<0.1%, 2000mW X 2 @32Ω THD+N<0.1%, 250mW X 2 @300Ω THD+N<0.1%, 125mW X 2 @600Ω THD+N<0.1% BAL IN/SE OUT:3300mW X 2 @16Ω THD+N<0.1%, 2000mW X 2 @32Ω THD+N<0.1%, 250mW X 2 @300Ω THD+N<0.1%, 125mW X 2 @600Ω THD+N<0.1% SE IN/BAL OUT:7600mW X 2 @16Ω THD+N<0.1%, 6400mW X 2 @32Ω THD+N<0.1%, 1000mW X 2 @300Ω THD+N<0.1%, 500mW X 2 @600Ω THD+N<0.1% BAL IN/BAL OUT:7600mW X 2 @16Ω THD+N<0.1%, 6400mW X 2 @32Ω THD+N<0.1%, 1000mW X 2 @300Ω THD+N<0.1%, 500mW X 2 @600Ω THD+N<0.1%
LOAD IMPEDANCE	SE IN/SE OUT:>8Ω BAL IN/SE OUT:>8Ω SE IN/BAL OUT:>8Ω BAL IN/BAL OUT:>8Ω

A90 PRE-AMPLIFIER SPECIFICATION

THD+N @ 1kHz A-WT	SE IN/SE OUT:<0.00006% BAL IN/SE OUT:<0.00006% SE IN/BAL OUT:<0.00006% BAL IN/BAL OUT:<0.00006%
THD+N @ 20-20kHz 90kBW	SE IN/SE OUT:<0.00001% BAL IN/SE OUT:<0.00001% SE IN/BAL OUT:<0.00001% BAL IN/BAL OUT:<0.00001%
SNR @1kHz-A-WT	SE IN/SE OUT:141dB BAL IN/SE OUT:137dB SE IN/BAL OUT:145dB BAL IN/BAL OUT:138dB
DYNAMIC RANGE @1kHz-A-WT	SE IN/SE OUT:141dB BAL IN/SE OUT:137dB SE IN/BAL OUT:145dB BAL IN/BAL OUT:138dB
FREQUENCY RESPONSE	SE IN/SE OUT:20Hz-40kHz(±0.5dB) BAL IN/SE OUT:20Hz-40kHz(±0.1dB) SE IN/BAL OUT:20Hz-40kHz(±0.5dB) BAL IN/BAL OUT:20Hz-40kHz(±0.1dB)
OUTPUT LEVEL	SE IN/SE OUT:9Vpp @G=L, 25Vpp @G=M, 25Vpp @G=H BAL IN/SE OUT:9Vpp @G=L, 25Vpp @G=M, 25Vpp @G=H SE IN/BAL OUT:18Vpp @G=L, 49Vpp @G=M, 49Vpp @G=H BAL IN/BAL OUT:18Vpp @G=L, 49Vpp @G=M, 49Vpp @G=H
AP MEASURED NOISE LEVEL @A-WT	SE IN/SE OUT:<0.7uVrms @G=L, <0.7uVrms @G=M, <0.9uVrms @G=H BAL IN/SE OUT:<0.7uVrms @G=L, <0.7uVrms @G=M, <0.9uVrms @G=H SE IN/BAL OUT:<0.9uVrms @G=L, <0.9uVrms @G=M, <1.4uVrms @G=H BAL IN/BAL OUT:<0.9uVrms @G=L, <0.9uVrms @G=M, <1.4uVrms @G=H
ACTIVE NOISE LEVEL @A-WT	SE IN/SE OUT:<0.2uVrms @G=L, <0.2uVrms @G=M, <0.6uVrms @G=H BAL IN/SE OUT:<0.2uVrms @G=L, <0.2uVrms @G=M, <0.6uVrms @G=H SE IN/BAL OUT:<0.6uVrms @G=L, <0.6uVrms @G=M, <1.3uVrms @G=H BAL IN/BAL OUT:<0.6uVrms @G=L, <0.6uVrms @G=M, <1.3uVrms @G=H
CHANNEL CROSSTALK @1kHz	SE IN/SE OUT:-106dB BAL IN/SE OUT:-102dB SE IN/BAL OUT:-105dB BAL IN/BAL OUT:-102dB
IMD CCIF @(18kHz+19kHz)	SE IN/SE OUT:-118dB BAL IN/SE OUT:-118dB SE IN/BAL OUT:-118dB BAL IN/BAL OUT:-118dB
IMD SMPTE @(60kHz+7kHz)	SE IN/SE OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1 BAL IN/SE OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1 SE IN/BAL OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1 BAL IN/BAL OUT:-110dB@SMPTE4: 1, -115dB@SMPTE1: 1
INPUT SENSITIVITY	SE IN/SE OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H BAL IN/SE OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H SE IN/BAL OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H BAL IN/BAL OUT:9.5uVrms @G=L, 8.8uVrms @G=M, 2.9uVrms @G=H
GAIN	SE IN/SE OUT:-9.5dB @G=L, 0dB @G=M, 9.5dB @G=H BAL IN/SE OUT:-9.5dB @G=L, 0dB @G=M, 9.5dB @G=H SE IN/BAL OUT:-3.5dB @G=L, 6.0dB @G=M, 15.5dB @G=H BAL IN/BAL OUT:-3.5dB @G=L, 6.0dB @G=M, 15.5dB @G=H
OUTPUT IMPEDANCE	SE IN/SE OUT:20Ω BAL IN/SE OUT:20Ω SE IN/BAL OUT:40Ω BAL IN/BAL OUT:40Ω

IN THE BOX

BOX CONTENTS	1. TOPPING A90
	2. AC Cable
	3. 6.35mm to 3.5mm Connector
	4. User Manual
	5. Warranty Card

COMPARISONS

	TOPPING - A90 ₹ 44,999/-	TOPPING - D70 ₹ 44,999/-	Aune Audio - S7 Pro ₹ 45,999/-	iFi Audio - xDSD ₹ 34,990/- ₹ 39,999/-
Warranty
Ideal For	Desktop	Desktop	Desktop	Smartphone & Desktop
Weight	3.49kg	1.9kg		127g
DAC Chip		AKM AK4497		Burr Brown DSD1793
Sample Rate		32-bit/768kHz
Inbuilt Battery
Battery Life				10 Hours
Balanced Outputs
Outputs		XLR & RCA	6.35mm & XLR	3.5mm
Digital Inputs				USB
Output level				500mW @ 16 Ohm
Signal to Noise Ratio		127dB	124dB
Bluetooth Version		V5.0
Bluetooth Codecs		LDAC, aptX LL, aptX HD, aptX, AAC & SBC		aptX & AAC
MQA Support
Volume Control
Expert Verdict	"Considering the price point that Topping went with unit, proud to announce that A90 receives my highest recommendation as being the one of the most complete sounding amplifier at a very attractive price!" Sound News	"At just $500 I consider it a really nice unit that can compete with much pricier designs and I have no complaints in terms of its sonic performance." Sound News	"The Aune Audio S7 PRO impressed me dearly with every musical genre I thrown at it. It was impressive with sensitive IEMs and harder to drive headphones alike." Head-Fi	The xDSD is a very modern design and well-built portable amp/DAC and a confident freshman release for their new X-Series range.The xDSD has created a new path for iFi and an important one at that. Headfonics

Warranty & Media Reviews

Don't sweat it, this TOPPING A90 comes with a 1 year warranty on the Amp/DAC and 6 months warranty on the battery. TOPPING's warranty covers all manufacturing defects. All products featured on Headphone Zone are backed by an original manufacturer's warranty.

Read more about TOPPING's warranty in India.

HEADFONIA RECOMMENDED AWARD

Headfonia
July, 2020

Best
amplifiers
Award

Headfonia
Dec, 2020

"The A90 simply removes itself from the playback experience and provides absolute fidelity from the musical source directly to your transducers."

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"Considering the price point that Topping went with unit, proud to announce that A90 receives my highest recommendation as being the one of the most complete sounding amplifier at a very attractive price!"

Read More

TOPPING - A90