Our Verdict
FIFINE K688 Wins

It offers a higher frequency response (20000 Hz) and 130dB SPL for clearer audio, though both share 48 kHz sample rates and dual USB/XLR. Choose AM8 for RGB lighting and an included desktop stand.
Spec Comparison
10 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $68 | $55 |
| Rating | 4.6(3.7k) | 4.6(9.6k) |
| Sample Rate | 48 kHz | 48 kHz |
| Connection | USB/XLR | USB/XLR |
| Polar Pattern | Cardioid | Cardioid |
| Zero-Latency | Yes | Yes |
| Weight | 1.12 lbs | 1.32 lbs |
| Mute Button | Yes | Yes |
| Gain Control | Yes | Yes |
| Software | None | None |
| Headphone Out | Yes | Yes |
| Freq. Response | {"high":20000} | 50Hz - 16kHz |
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Pros & Cons
Quick overview of strengths and weaknesses
FIFINE Dynamic Microphone,
- High 130dB SPL prevents audio distortion
- Cardioid pattern reduces ambient background noise
- Dual USB and XLR connectivity options
- Plug-and-play USB for quick setup on PC/Mac
- XLR cable, boom arm, mic stand not included
- Onboard controls only function via USB connection
- Requires close mic distance for best audio pickup
FIFINE USB/XLR Dynamic
- USB and XLR connections offer setup versatility.
- Cardioid pattern minimizes off-axis sound pickup.
- Tap-to-mute button provides instant privacy control.
- Headphone jack allows real-time audio monitoring.
- RGB & USB functions inactive when using XLR.
- XLR connection requires separate cable.
- No dedicated software for advanced control.
Frequently Asked Questions
Common questions about this comparison
Which microphone is better for PC gaming and streaming?
Both microphones, with 48 kHz sample rates and zero-latency monitoring, are great for gaming and streaming. The AM8 offers fun RGB lighting and often includes a desktop stand, while the K688 has a slightly higher 20000 Hz frequency response for crisp audio.
What are the key differences in audio specifications?
The K688 has a higher maximum frequency response of 20000 Hz, compared to the AM8's 16000 Hz, potentially offering clearer highs. Both are dynamic microphones with a Cardioid polar pattern and 48 kHz sample rate, suitable for reducing background noise.
Do both microphones offer the same connectivity options?
Yes, both the K688 and AM8 feature versatile dual USB and XLR connections. It's important to note that certain onboard features, like gain control or RGB lighting on the AM8, generally only function when using the USB connection.
Which microphone includes more accessories for immediate use?
The FIFINE AM8 typically includes a desktop stand, allowing for immediate setup. The FIFINE K688, however, does not include an XLR cable, boom arm, or mic stand, so these would need to be purchased separately for a complete setup.
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