FiiO JadeAudio GIGAS1 Headphone Amplifier
- You must provide a complete and accurate shipping address with matching postal code; incorrect details will cause delays or returns.
- If you fail to pick up the parcel or refuse delivery, the parcel may be returned and you are responsible for any return fees, and re-shipment costs.
- Standard delivery takes 7–14 business days (varies by destination).
- Taxes & Duties:Enjoy tax-inclusive shipping.
- Please add items to the cart, and then enter your destination to get a shipping cost estimate.
- Once shipped, cancellations are not accepted.
Whether you’re driving demanding planar magnetic headphones or sensitive IEMs, this fully discrete transistor headphone amplifier delivers pristine, high-current amplification. Built around genuine ON Semiconductor MJE243G and MJE253G power transistors (4 per channel), it effortlessly swings massive voltage and current to bring out every detail in your music. With a robust 4.4mm balanced output, a 3.5mm single-ended output with CTIA mic pass-through, and dual-supply flexibility (standard 5V USB or high-voltage PD 12V), it adapts to your source and your headphones—anywhere, anytime.
Design & Build
Available colors: Black / Silver / Green
Compact desktop form factor
Dimensions: approx. 132 × 60 × 40 mm (excluding feet)
Weight: approx. 210g
Solid metal-inspired housing for stability and heat dissipation
Power Input
USB Type-C power input
5V / 2A standard mode
PD 12V / 2A high-power mode
Adaptive power switching for different headphone loads
Input Interfaces
RCA analog input
3.5mm single-ended input
Wide compatibility with DACs, phones, and audio sources
Output Interfaces
4.4mm balanced headphone output
3.5mm single-ended headphone output
3.5mm supports CTIA microphone passthrough
Amplification Hardware
Built with discrete transistor amplification architecture:
ON Semiconductor MJE243G ×4
ON Semiconductor MJE253G ×4
Designed to deliver high current output with stable low-noise performance.
Output Power Performance
5V Power Mode
Balanced Output:
32Ω: ≥ 580mW + 580mW (THD+N <1%, 4.3Vrms)
16Ω: ≥ 790mW + 790mW (THD+N <1%, 3.6Vrms)
Single-ended Output:
32Ω: ≥ 170mW + 170mW (THD+N <1%, 2.3Vrms)
16Ω: ≥ 280mW + 280mW (THD+N <1%, 2.1Vrms)
PD 12V Power Mode (High Gain Output)
Balanced Output:
32Ω: ≥ 4600mW + 4600mW (THD+N <1%, 12.1Vrms)
16Ω: ≥ 3300mW + 3300mW (THD+N <1%, 7.3Vrms)
300Ω: ≥ 740mW + 740mW (THD+N <1%, 14.9Vrms)
Single-ended Output:
32Ω: ≥ 1400mW + 1400mW (THD+N <1%, 6.7Vrms)
16Ω: ≥ 2200mW + 2200mW (THD+N <1%, 5.9Vrms)
300Ω: ≥ 185mW + 185mW (THD+N <1%, 7.5Vrms)
FAQ:
Q: How much does the shipping cost?
The shipping cost is base on the item's weight and destination.
Add to cart > Enter your destination to get a shipping estimate.
Q. Do I need to pay customs duties or import taxes?
This depends on the shipping method and destination country.
We offer Duty Paid (DDP) shipping where import taxes are covered.
For express couriers such as DHL, FedEx, or UPS, import duties will be charged by local customs.
Q: Why does my order’s processing time take so long?
When we receive a new order, our payment security team needs some time to review these transactions because of the large number of smartphone orders. After the review is completed, our logistics team can start processing the order and package it for delivery. So, our order processing time is about 1-3 days
Q: Do you ship orders on weekends?
I’m sorry, our shipping team doesn’t work on weekends, your order place on weekend will be processed from Monday.
Q: Can you ship items to my country? How much does the shipping cost?
We can ship to most countries worldwide. The total shipping cost is base on the package weight and your destination, please add items to the cart, and then enter your destination to get a shipping cost estimate.
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