USB-C CABLE DONGLE · CX31993
JCALLY JM7
A USB-C cable dongle with a CX31993 DAC chip, a 3.5 mm output and a built-in mic. Weight 6.5 g.
Numbers are the manufacturer's stated figures unless marked as measured; sources linked below.
Outputs and power
Not stated: gain, supply voltage.
Output power 28.2mW@32Ω appears only in the product gallery, image 5, feature list; the detail spec table (image 14) has no power row.
Is it enough for your headphones?
JCALLY rates the JM7 at 28.2 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 markedHow it stacks up against the competition
Power at 32 Ω · price in US dollars- Nearby
- Same DAC chip
- Most IEMs, 3.2 mW
Devices with the same DAC chip
CX31993 · 13 devices use itCompared with
Manufacturers' stated figures; the price is today's lowestJCALLY JM7 vs JCALLY JM6 PRO
JCALLY JM6 PRO is among the dongles in the catalog closest to JCALLY JM7 in price: at 32 Ω JCALLY JM7 is listed at 28.2 mW and JCALLY JM6 PRO at 60 mW; the lowest prices are ~$13.11 and $14.99.
| JCALLY JM7 | JCALLY JM6 PRO | |
|---|---|---|
| Power at 32 Ω | 28.2 mW3.5 mm, from product gallery, image 5; spec table gives no power, socket not printed; the only headphone output | 60 mW3.5 mm, socket not printed; the only headphone output |
| Price today | ~$13.11AliExpress, 7 Nov | $14.99Hangout Audio, 7 Nov |
| DAC chip | CX31993 | Conexant CX31993 |
| Inputs | USB-C | USB-C |
| Outputs | 3.5 mm | 3.5 mm |
| Size | 110 ± 10 mm | 110 ± 10 mm |
| Weight | 6.5 g | About 6 g |
JCALLY JM7 vs JCALLY JA56
JCALLY JA56 is among the dongles in the catalog closest to JCALLY JM7 in price: at 32 Ω JCALLY JM7 is listed at 28.2 mW and JCALLY JA56 at 22.5 mW; the lowest prices are ~$13.11 and ~$15.98.
| JCALLY JM7 | JCALLY JA56 | |
|---|---|---|
| Power at 32 Ω | 28.2 mW3.5 mm, from product gallery, image 5; spec table gives no power, socket not printed; the only headphone output | 22.5 mW3.5 mm, socket not printed; the only headphone output |
| Price today | ~$13.11AliExpress, 7 Nov | ~$15.98AliExpress, 7 Nov |
| DAC chip | CX31993 | Realtek ALC5686 |
| Inputs | USB-C | USB-C |
| Outputs | 3.5 mm | 3.5 mm |
| Size | 110 ± 10 mm | 15.5 × 10.3 × 11.2 mm |
| Weight | 6.5 g | About 4 g |
JCALLY JM7 vs JCALLY JM6 PRO 2
JCALLY JM6 PRO 2 is among the dongles in the catalog closest to JCALLY JM7 in price: at 32 Ω JCALLY JM7 is listed at 28.2 mW and JCALLY JM6 PRO 2 at ≈70 mW; the lowest prices are ~$13.11 and $16.99.
| JCALLY JM7 | JCALLY JM6 PRO 2 | |
|---|---|---|
| Power at 32 Ω | 28.2 mW3.5 mm, from product gallery, image 5; spec table gives no power, socket not printed; the only headphone output | ≈70 mW3.5 mm, socket not printed; the only headphone output |
| Power at 16 Ω | Not stated | ≈135 mW3.5 mm, socket not printed; the only headphone output |
| Power at 300 Ω | Not stated | ≈7.4 mW3.5 mm, socket not printed; the only headphone output |
| Price today | ~$13.11AliExpress, 7 Nov | $16.99Hangout Audio, 7 Nov |
| DAC chip | CX31993 | Conexant CX31993 |
| Inputs | USB-C | USB-C |
| Outputs | 3.5 mm | 3.5 mm |
| Size | 110 ± 10 mm | 110 ± 10 mm |
| Weight | 6.5 g | 7.6 g |