Short answer: the Teufel Boomster NG (2017). It ranks #37 of 73 boombox speakers by sound quality; the Sony SRS-XG500 ranks #45.
On the Teufel Boomster NG (2017) side: Pretty neutral sound. Removable battery. Set against that: Not as deep bass as others in the category. Bass port can make noise. No water rating.
What the Sony SRS-XG500 offers: 30 hour battery life; 10-min quick-charge gives 3 hours. Battery care function stops charging at 90% to extend longevity. Watch for: Thuddy upper bass, not as deep bass as others. Speaker will not remain at max volume and will turn itself down automatically.
Buy the Teufel Boomster NG (2017) if sound quality matters more than the price. Buy the Sony SRS-XG500 if the price matters more than sound quality.
If battery life is a priority, the Sony SRS-XG500 is rated for 30 hours versus 18 hours for the Teufel Boomster NG (2017).
If water resistance matters to you, the Sony SRS-XG500 at IP66 (powerful water jets) holds up far better than the Teufel Boomster NG (2017) at no water resistance.

Specifications Side By Side
| Teufel Boomster NG (2017) | Sony SRS-XG500 | |
|---|---|---|
| Price | €99 Discontinued | $243.77 |
| Ranked | #37 of 73 in Boombox Size Portable Bluetooth Speakers | #45 of 73 in Boombox Size Portable Bluetooth Speakers |
| Bass Extension (-10dB) | 47Hz | 49Hz |
| Battery Life | 18 hours (Manufacturer specified) | 30 hours (Manufacturer specified) |
| IP Rating | None | IP66 |
| Power Bank | Yes (USB-A) | Yes (USB-A, 5V/1.5A) |
| Stereo | Yes | Yes |
| Omnidirectional | No | No |
| Weight | 7.5 lbs / 3.4 kg | 12.3 lbs / 5.6 kg |
| Bluetooth Codecs | SBC | SBC, AAC, LDAC |
| App | No | Yes (Music Center, Fiestable) |
| EQ | No | Yes (App + ClearAudio+) |
| TWS | No | Yes |
| Party Mode | No | Yes (Party Connect up to 100 speakers) |
| Removable Battery | Yes | - |
| USB Playback | No | Yes |
| Built in Microphone | No | Yes |
| Power Input | USB-C | USB-C |
| Output Power | 38W RMS | 2x 25W + 2x 10W |
| Dimensions | 5.7" x 14.6" x 7.1" (145 x 370 x 180 mm) | 18.1" x 10.1" x 8.5" (460 x 256 x 215 mm) |
| Drivers | 1x 90mm woofer + 2x 65mm midrange drivers + 2x 20mm tweeters | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer |
| Discontinued | Yes | - |
| Digital Aux Input | No | No |
| Aux Input | - | Yes |
| Bluetooth Version | - | 5.0 |
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The Two Speakers In Full
Teufel Boomster NG (2017): €99 Discontinued
Pros: Pretty neutral sound. Removable battery
Cons: Not as deep bass as others in the category. Bass port can make noise. No water rating. Discontinued.
Full Teufel Boomster NG (2017) review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 47Hz |
| Battery Life | 18 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Built in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 5.7" x 14.6" x 7.1" (145 x 370 x 180 mm) |
| Discontinued | Yes |
| Drivers | 1x 90mm woofer + 2x 65mm midrange drivers + 2x 20mm tweeters |
| EQ | No |
| IP Rating | None |
| Omnidirectional | No |
| Output Power | 38W RMS |
| Party Mode | No |
| Power Bank | Yes (USB-A) |
| Power Input | USB-C |
| Removable Battery | Yes |
| Stereo | Yes |
| TWS | No |
| USB Playback | No |
| Weight | 7.5 lbs / 3.4 kg |
As an eBay Partner, we may be compensated if you make a purchase.
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Teufel Boomster NG (2017) vs Sony ULT Field 7
- Teufel Boomster NG (2017) vs Teufel Boomster 2021
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- Teufel Boomster NG (2017) vs B&O Beolit 20
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- Teufel Boomster NG (2017) vs JBL Boombox
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Sony SRS-XG500: $243.77 Amazon
Pros: 30 hour battery life; 10-min quick-charge gives 3 hours. Battery care function stops charging at 90% to extend longevity. IP66 water/dust resistant. Two USB-A ports (one charges devices), mic/guitar inputs, AUX. Party mode links 100+ speakers.
Cons: Thuddy upper bass, not as deep bass as others. Speaker will not remain at max volume and will turn itself down automatically.
Full Sony SRS-XG500 review and specifications →
| App | Yes (Music Center, Fiestable) |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 49Hz |
| Battery Life | 30 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.0 |
| Built in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 18.1" x 10.1" x 8.5" (460 x 256 x 215 mm) |
| Drivers | 2x 30mm tweeters + 2x 40mm mid-range + 1x 60mm woofer |
| EQ | Yes (App + ClearAudio+) |
| IP Rating | IP66 |
| Omnidirectional | No |
| Output Power | 2x 25W + 2x 10W |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes (USB-A, 5V/1.5A) |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 12.3 lbs / 5.6 kg |
As an eBay Partner, we may be compensated if you make a purchase.
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