Singxer
Singxer SA-1 V2 Fully Balanced Class A Headphone Amplifier
Singxer SA-1 V2 Fully Balanced Class A Headphone Amplifier
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Specification
Specification
SINGXER SA-1 V2 Balanced Headphone Amplifier Class A
Description
The Singxer SA-1 V2 is a high-performance headphone amplifier and preamplifier based on a Class A architecture with fully balanced discrete circuits. This updated version features an optimized circuit design for lower output impedance and increased thrust, providing an exceptional audio experience for audiophiles.
Features
- Full Analog Amplifier: The SA-1 V2 is completely analog, avoiding EMI interference caused by digital control, ensuring pure audio signal transmission.
- ROHM Input Transistors: Ensures very low noise and excellent performance, with an output stage utilizing multi-stage current amplification similar to high-power amplifiers.
- High-Power Output: Each channel incorporates 2 pairs of ON Semiconductor 4A transistors for low internal resistance and high output power, with comprehensive protection against overcurrent, overload, short-circuit, and more.
- Versatile Connectivity: The SA-1 V2 offers various inputs and outputs, including balanced XLR and unbalanced RCA inputs, as well as balanced 4.4mm jack, 4-pole XLR, and unbalanced 6.35mm jack headphone outputs. Additionally, it features unbalanced RCA and balanced XLR preamplifier outputs.
- Impedance Selection: The front panel includes switches for selecting input source (RCA or XLR) and impedance mode (LOW-Z or HI-Z) to accommodate high-sensitivity or high-impedance headphones.
- Optimized Circuit Design: The V2 version features an optimized PCB routing and DC bias design, enhancing DC performance and output capacity.
Technical Specifications
- Product Type: Headphone amplifier, Preamplifier
- Amplification Type: Class A
- Inputs: 1x Balanced XLR, 1x Unbalanced RCA
- Outputs:
- 1x Balanced XLR (Preamplifier)
- 1x Unbalanced RCA (Preamplifier)
- 1x Balanced 4.4mm jack (Headphone)
- 1x Balanced XLR 4-pole (Headphone)
- 1x Unbalanced 6.35mm jack (Headphone)
- THD+N:
- -120dB @ 1kHz, A-Weighting, 20Hz – 22kHz
- -96dB @ low gain, 1kHz, A-Weighting, 20Hz-22kHz
- Noise Level:
- 0.66µV @ Max Output, SNR/DNR 147dB
- 300nV RMS @ Low Gain, A-Weighting, 20Hz-22kHz
- SNR: 147dB
- Headphone Output Power:
- Balanced output: 10000mW @ 16Ω
- Balanced output: 5500mW @ 32Ω
- Balanced output: 3100mW @ 68Ω
- Balanced output: 2000mW @ 120Ω
- Balanced output: 380mW @ 600Ω
- Unbalanced output: 500mW @ 16Ω
- Unbalanced output: 1375mW @ 32Ω
- Unbalanced output: 775mW @ 68Ω
- Unbalanced output: 500mW @ 120Ω
- Unbalanced output: 95mW @ 600Ω
- Gain Levels:
- Unbalanced input, unbalanced output: low gain 0db, high gain 11db
- Unbalanced input, balanced output: low gain 6 dB, high gain 17 dB
- Balanced input, unbalanced output: low gain -6db, high gain 5db
- Balanced input, balanced output: low gain 0db, high gain 11db
- Output Impedance Levels:
- Low-impedance output: 1.4 ohms (balanced) and 0.7 ohms (unbalanced)
- High-impedance output: 11.4 ohms (balanced) and 10.7 ohms (unbalanced)
- Power Supply: 100-240V AC, 50/60Hz
- Dimensions: 234 x 170 x 46mm
- Chassis Material: Aluminum
- Color: Black
- Weight: 1.8kg
- Package Contents:
- 1x Singxer SA-1 V2
- 1x Power cable
![](https://cdn.shopify.com/s/files/1/0626/2004/1455/files/singxer-sa1-v2-backpanel-product-page.png?v=1724307645)
Ultra-low distortion, the following figure shows the performance of APX555 test prototype:
What's in the Box?
What's in the Box?
Shipping & Returns
Shipping & Returns
- Free Standard full searchable Shipping
- DDP(Delivered Duty Paid) Services, No payment on receiption
- Free 7-Day Return Policy!
Shipping Fees
Worldwide Free Shipping on Hificat, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.
In the event that a shipment is refused delivery by the recipient, is undeliverable, or is returned to sender, Hificat will process a refund to the original payment method used.
If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.
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Which Couriers To Use?
We collaborate with these courier companies:
Standard Shipping: Yanwen Express
Express Shipping(over $500 can be free): DHL Express, FedEx and SF Express
Hificat has extensive global logistics experience to ensure quality logistics services to consumers.
HiFiCat offers consumers different shipping, depending on the country, a choice of different shipping methods.
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Estimated Delivery Time
1. France, Germany, UK, Italy, Spain, USA.
All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 6-10 days to arrive.
Tracking Example
France: https://t.17track.net/en#nums=YT2132021222003141
Germany: https://t.17track.net/en#nums=YT2133621222016083
United Kingdom: https://www.17track.net/?nums=GV779664269GB
Italy:https://t.17track.net/en#nums=YT2133021222011717
Spain:https://t.17track.net/en#nums=YT2129521222003430
United States:https://t.17track.net/en#nums=SUA211205BIUQ1000007
2.EU Country:Filand, Poland, Estonia, Norway, Switzerland, Greece, Sweden, Israel, Czech Republic, Slovenia, Slovakia, Denmark, Netherlands, Latvia, Croatia, Austria, Hungary, Belgium, Bulgaria, Romania, Ireland, Malta, Iceland, Serbia and so on.
All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 10-15 days to arrive.
Filand: https://www.17track.net/?nums=UG324191515YP
Poland: https://www.17track.net/?nums=UG335827360YP
Estonia: https://www.17track.net/?nums=UG363043181YP
Norway: https://www.17track.net/?nums=VR457380806YP
Switzerland: https://www.17track.net/?nums=UG359525911YP
Greece: https://www.17track.net/?nums=UG250851788YP
Sweden: https://www.17track.net/?nums=UG353458343YP
Israel: https://www.17track.net/?nums=UG356134837YP
Czech Republic: https://www.17track.net/?nums=UG320437102YP
Slovenia: https://www.17track.net/?nums=UG349882511YP
Slovakia: https://www.17track.net/?nums=UG349946557YP
Denmark: https://www.17track.net/?nums=UG272480001YP
Netherlands: https://www.17track.net/?nums=UG206078468YP
Latvia: https://www.17track.net/?nums=UG336264373YP
Croatia: https://www.17track.net/?nums=UG331204789YP
Austria: https://www.17track.net/?nums=UG322443180YP
Hungary: https://www.17track.net/?nums=UG313846849YP
Belgium: https://www.17track.net/?nums=UG313858025YP
Bulgaria: https://www.17track.net/?nums=UG309182635YP
Romania: https://www.17track.net/?nums=UG295530616YP
Ireland: https://www.17track.net/?nums=UG286654665YP
Malta:
Iceland: https://www.17track.net/?nums=VR447888050YP
Serbia: https://www.17track.net/?nums=VR447710777YP
Ukraine: https://www.17track.net/?nums=UG331240667YP
Russian Federation: https://www.17track.net/?nums=VR454415418YP
3.South America:Peru, Brazil, Chile
Chile: https://www.17track.net/?nums=UG205949999YP
Brazil: https://www.17track.net/?nums=UG207476109YP
New Zealand: https://www.17track.net/?nums=YE175499582CN
Australia: https://www.17track.net/?nums=UG245685796YP
5.Canada By Canada Post, about 2 weeks.
Vietnam: https://www.17track.net/?nums=VR456508418YP
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