USB-C CABLE DONGLE · AKM AK4377ECB
JCALLY AP7
A USB-C cable dongle with an AKM AK4377ECB DAC chip, a 3.5 mm output. About 4 g.

Numbers are the manufacturer's stated figures unless marked as measured; sources linked below.
Outputs and power
Not stated: gain, supply voltage, crosstalk.
Is it enough for your headphones?
JCALLY rates the AP7 at 70 mW into 32 Ω. Below is how much of that is left to spare for each kind of headphones when you listen loud, with peaks at 110 dB. A figure marked est. is worked out from that rating.
Where to buy
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The device
From JCALLY's spec images unless markedThe site cuts the intro at 'compatible with DSD1'; the DSD figure is taken only from the detail images (DSD128 via DoP).
How it stacks up against the competition
Power at 32 Ω · price in US dollars- Nearby
- Same DAC chip
- Most IEMs, 3.2 mW
Compared with
Manufacturers' stated figures; the price is today's lowestJCALLY AP7 vs TempoTec Sonata HD III
TempoTec Sonata HD III is among the dongles in the catalog closest to JCALLY AP7 in price: at 32 Ω JCALLY AP7 is listed at 70 mW and TempoTec Sonata HD III at 70 mW; the lowest prices are ~$45.73 and $45.90.
| JCALLY AP7 | TempoTec Sonata HD III | |
|---|---|---|
| Power at 32 Ω | 70 mW3.5 mm, socket not printed; the only headphone output | 70 mW3.5 mm, socket not printed; the only headphone output |
| Price today | ~$45.73AliExpress, 7 Nov | $45.90TempoTec store, 20 Oct |
| DAC chip | AKM AK4377ECB | Not stated |
| Inputs | USB-C | USB-C |
| Outputs | 3.5 mm | 3.5 mm |
| Size | 39.5 × 13.85 × 6.8 mm | width: 46; height: 20; depth: 10 mm |
| Weight | About 4 g | Not stated |
JCALLY AP7 vs JCALLY JM30 PRO
JCALLY JM30 PRO is among the dongles in the catalog closest to JCALLY AP7 in price: at 32 Ω JCALLY AP7 is listed at 70 mW and JCALLY JM30 PRO at 31.25 mW; the lowest prices are ~$45.73 and ~$46.49.
| JCALLY AP7 | JCALLY JM30 PRO | |
|---|---|---|
| Power at 32 Ω | 70 mW3.5 mm, socket not printed; the only headphone output | 31.25 mW3.5 mm, intro: up to 31.25mW under a 32Ω load, socket not printed; the only headphone output |
| Price today | ~$45.73AliExpress, 7 Nov | ~$46.49AliExpress, 7 Nov |
| DAC chip | AKM AK4377ECB | CS43131 |
| Inputs | USB-C | USB-C |
| Outputs | 3.5 mm | 3.5 mm |
| Size | 39.5 × 13.85 × 6.8 mm | 130 ± 10 mm |
| Weight | About 4 g | 10 g |
JCALLY AP7 vs HiBy FC4
HiBy FC4 is among the dongles in the catalog closest to JCALLY AP7 in price: at 32 Ω JCALLY AP7 is listed at 70 mW and HiBy FC4 at 340 mW; the lowest prices are ~$45.73 and $49.
| JCALLY AP7 | HiBy FC4 | |
|---|---|---|
| Power at 32 Ω | 70 mW3.5 mm, socket not printed; the only headphone output | 340 mW4.4 mm balanced |
| Price today | ~$45.73AliExpress, 7 Nov | $49HiBy store, 16 Oct |
| DAC chip | AKM AK4377ECB | ESS ES9219 × 2 |
| Inputs | USB-C | USB-C |
| Outputs | 3.5 mm | 3.5 mm · 4.4 mm balanced |
| Size | 39.5 × 13.85 × 6.8 mm | 65.3 × 22.1 × 11.9 mm |
| Weight | About 4 g | 21.7 g |