Short answer: the Sony ULT Field 5 ranks #40 of 75 large speakers at $198; the Teufel Rockster Cross ranks #21 at $199.99. Close enough in price that the ranking gap is the deciding factor.
The case for the Sony ULT Field 5: IP67 rated, dustproof and water resistant. The catch: Bass not as deep as others in the category, and sound quality overall is just okay.
What the Teufel Rockster Cross gets right: Pretty neutral frequency response.
Buy the Sony ULT Field 5 if the price matters more than the ranking. Buy the Teufel Rockster Cross if the ranking matters more than the price.
Specifications Side By Side
| Sony ULT Field 5 | Teufel Rockster Cross | |
|---|---|---|
| Price | $198 | $199.99 |
| Ranked | #40 of 75 in Large Size Portable Bluetooth Speakers | #21 of 75 in Large Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Input | Yes | Yes |
| Battery Life | 25 hours (Manufacturer specified) | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC | SBC |
| Bluetooth Version | 5.3 | 5.0 |
| Built in Microphone | Yes | Yes |
| Dimensions | 12.6" x 5.67" x 4.92" (320 x 144 x 125 mm) | 15.0" x 6.3" x 5.1" (380 x 160 x 130 mm) |
| Drivers | 2x 46mm tweeters + 1x 79mm x 107mm woofer | 5" woofer, 2x textile dome tweeters + 2x passive radiators |
| EQ | Yes (App + ULT button) | No |
| IP Rating | IP67 | IPX5 |
| Party Mode | Yes (Party Connect up to 100 speakers) | No |
| Power Bank | Yes | No |
| Power Input | USB-C | AC Power brick |
| Stereo | Yes | Yes |
| TWS | Yes | Yes |
| Weight | 7.3 lbs / 3.3 kg | 5.3 lbs / 2.4 kg |
| Output Power | 27W | 30W |
| Bass Extension (-10dB) | - | 51Hz |
| Frequency Response | - | 50Hz - 20kHz (Manufacturer specified) |
The Two Speakers In Full
Sony ULT Field 5: $198 Amazon
Pros: IP67 rated, dustproof and water resistant. 25 hour battery life. App with 10-band EQ. Party Connect with up to 100 speakers. USB-C in/out for charging your phone.
Cons: Bass not as deep as others in the category, and sound quality overall is just okay. ULT button makes a really loud tone when pressed. Just an okay speaker.
| App | Yes |
|---|---|
| Aux Input | Yes |
| Battery Life | 25 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC, AAC, LDAC |
| Bluetooth Version | 5.3 |
| Built in Microphone | Yes |
| Dimensions | 12.6" x 5.67" x 4.92" (320 x 144 x 125 mm) |
| Drivers | 2x 46mm tweeters + 1x 79mm x 107mm woofer |
| EQ | Yes (App + ULT button) |
| IP Rating | IP67 |
| Output Power | 27W |
| Party Mode | Yes (Party Connect up to 100 speakers) |
| Power Bank | Yes |
| Power Input | USB-C |
| Stereo | Yes |
| TWS | Yes |
| Weight | 7.3 lbs / 3.3 kg |
- Reviews, Comparisons and Sound Samples
- Danny Pops: Don’t TOUCH that ULT Button! Sony ULT Field 5 Review
- Mark Ellis Reviews: Sony just changed summer sound 🤨 | Sony ULT Field 5 & 3 Review
- Dominik Reviews: Sony ULT Field 5 vs JBL Xtreme 4 - Outdoor Sound Test - Sony shines or not?
- Joy & Oluv’Sone: Sony ULT Field 5 vs Anker SoundCore Boom 2 - listening test
- Head-to-Head Comparisons
- Sony ULT Field 5 vs JBL Xtreme 4
- Sony ULT Field 5 vs Soundcore Boom 2
- Sony ULT Field 5 vs JBL Xtreme 5
- Sony ULT Field 5 vs Marshall Stockwell 2
- Sony ULT Field 5 vs Mee audio PartySPKR
- Sony ULT Field 5 vs Sony SRS-XG300
- Sony ULT Field 5 vs Ultimate Ears Everboom
- Sony ULT Field 5 vs Bogasing S8 Pro
- Sony ULT Field 5 vs LG PN7
- Sony ULT Field 5 vs Marshall Middleton
- Sony ULT Field 5 vs Sony SRS-XB43
- Sony ULT Field 5 vs Soundcore Motion X600
- Sony ULT Field 5 vs Ultimate Ears Epicboom
- Sony ULT Field 5 vs Bose SoundLink Plus
- Sony ULT Field 5 vs Dockin D Fine+ 2
- Sony ULT Field 5 vs Harman Kardon Citation 200
- Sony ULT Field 5 vs JBL Xtreme 3
- Sony ULT Field 5 vs Klipsch Detroit
- Sony ULT Field 5 vs Marshall Kilburn II
- Sony ULT Field 5 vs Mifa WildCamping
- Sony ULT Field 5 vs Minirig mk2 with subwoofer
- Sony ULT Field 5 vs Minirig mk3 with subwoofer
- Sony ULT Field 5 vs Minirig mk4 with subwoofer
- Sony ULT Field 5 vs Treblab HD-Max
- Links
Teufel Rockster Cross: $199.99 Amazon
Pros: Pretty neutral frequency response. Outdoor mode can sound somewhat harsh due to the 4khz peak.
| App | No |
|---|---|
| Aux Input | Yes |
| Bass Extension (-10dB) | 51Hz |
| Battery Life | 16 hours (Manufacturer specified) |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.0 |
| Built in Microphone | Yes |
| Dimensions | 15.0" x 6.3" x 5.1" (380 x 160 x 130 mm) |
| Drivers | 5" woofer, 2x textile dome tweeters + 2x passive radiators |
| EQ | No |
| Frequency Response | 50Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX5 |
| Output Power | 30W |
| Party Mode | No |
| Power Bank | No |
| Power Input | AC Power brick |
| Stereo | Yes |
| TWS | Yes |
| Weight | 5.3 lbs / 2.4 kg |
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.