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Sennheiser BTD700 Review: Wireless CD Quality with aptX Lossless!
This video reviews the Sennheiser BTD700 Bluetooth dongle, emphasizing its ability to provide a wireless audio experience comparable to CD quality through aptX Lossless codec support. It introduces upgraded features compared to the BTD600, such as design improvements, various codec support, and improved gaming performance, and explains the acoustic advantages of the BTD700 through actual sound quality comparisons.
1. 🎧 Limitations of Wireless Audio and the Need for Bluetooth Dongles
- ✅ Despite the convenience of wireless earphones/headphones, sound quality degradation exists compared to wired products
- ✅ Bluetooth connection causes signal loss, which leads to sound quality loss
- ✅ Bluetooth codecs play a role in minimizing sound information loss
- ✅ Limited codec support range for smartphones (Galaxy, iPhone)
- ✅ Bluetooth dongles emerged to overcome the codec support limitations of smartphones
- ✅ Introduction of BTD700, the successor to Sennheiser BTD600
| Device | Supported Codecs |
|---|---|
| Galaxy | SBC, AAC, aptX, LDAC, LC3 |
| iPhone | SBC, AAC |
00:02 - 01:52
1. 🎧 Limitations of Wireless Audio and the Need for Bluetooth Dongles
- ✅ Despite the convenience of wireless earphones/headphones, sound quality degradation exists compared to wired products
- ✅ Bluetooth connection causes signal loss, which leads to sound quality loss
- ✅ Bluetooth codecs play a role in minimizing sound information loss
- ✅ Limited codec support range for smartphones (Galaxy, iPhone)
- ✅ Bluetooth dongles emerged to overcome the codec support limitations of smartphones
- ✅ Introduction of BTD700, the successor to Sennheiser BTD600
| Device | Supported Codecs |
|---|---|
| Galaxy | SBC, AAC, aptX, LDAC, LC3 |
| iPhone | SBC, AAC |
02:03 - 03:32
2. ✨ BTD700 Design Improvements and Key Features
- ✅ Design Improvements: USB-C type applied by default, increased smartphone case compatibility
- ✅ Differences from BTD600: Added support for aptX Lossless and LC3 codecs
- ✅ Auracast Support: Ability to share one audio source with multiple devices (broadcast audio technology)
| Feature | BTD600 | BTD700 |
|---|---|---|
| aptX Lossless | ❌ | ✅ |
| LC3 | ❌ | ✅ |
| Auracast | ❌ | ✅ |
03:33 - 04:40
3. 🎮 Improved Gaming Performance and aptX Lossless Supported Devices
- ✅ Gaming Performance: Reduced latency (approximately 30ms), noticeable even for high-end gamers
- ✅ aptX Lossless: Can transmit lossless audio information, providing CD-quality audio
| Aspect | Description |
|---|---|
| aptX Lossless Benefit | Provides natural sound in a lossless manner, transmits CD-quality audio information |
04:41 - 05:05
4. ⚙️ BTD700 Operation and Codec-Specific LED Indication
- ✅ Displays codec information with LED color when connected to a smartphone
| LED Color | Codec |
|---|---|
| 파란색 | LC3 |
| 분홍색 | aptX |
| 희미한 흰색 | SBC |
- ✅ Button Operation: 2 Clicks - Auracast Mode, 3 Clicks - Gaming Mode
05:06 - 07:21
5. 🎵 AAC vs aptX Lossless Sound Quality Comparison (Sennheiser MTW4)
- ✅ Test Environment: iPhone + Sennheiser MTW4 (aptX Lossless Supported)
- ✅ Improved resolution and detail when using aptX Lossless
- ✅ Reduced background noise and quiet expression
- ✅ Bass: Increased density, improved spatial sense
- ✅ Midrange: Improved airiness and vividness, increased stability
- ✅ Treble: Maintained timbre brightness, improved sound line expression
- ✅ Provides an overall more natural sound compared to AAC
07:22 - 08:32
6. 🎶 Recommended Song: Hans Zimmer - Mombasa (Inception OST)
- ✅ Reason for Recommendation: Noticeable overall upgrade
- ✅ AAC: Unrefined raw nuance, uneven sound, unclear timbre
- ✅ aptX Lossless: Improved resolution, information, and separation, reminiscent of a skilled orchestra conductor, excellent dynamic control, heavy body and texture expression
08:33 - 09:22
7. 👍 Conclusion: BTD700 Usage Impressions and Recommendation
- ✅ BTD700 is a worthwhile investment for improving sound quality
- ✅ Recommended for users who want to upgrade their wireless audio experience
- ✅ Domestic price set lower than overseas release price