JVC LT-40EP4257 39.5"
The built-in Roku TV platform provides direct access to a vast streaming library on a 39.5-inch 1080p LED panel, eliminating the need for external devices. Its frameless bezel design and three HDMI 2.1 ports offer a clean aesthetic and ample connectivity for a budget-oriented display. This set is best for secondary-room viewers or cord-cutters who prioritize simple, integrated streaming over high-end picture performance.
概览
优缺点
优点
- Strong connectivity (67th percentile) 67th
缺点
- Below average picture quality (1st percentile)
- Below average display (6th percentile)
- Below average smart (21st percentile)
实测数据
性能表现
规格参数
完整规格参数
Display
| Size | 39.5" |
| Resolution | FHD |
| Panel Type | LED |
| Aspect Ratio | 16:9 |
| Curved | No |
Picture Quality
| Brightness | 200 nits |
| Contrast Ratio | 3000:1 |
| Color Gamut | Not Specified by Manufacturer |
HDR
| HDR Formats | HDR10, HLG |
| Dolby Vision | No |
| HDR10+ | No |
| HLG | Yes |
Gaming
| Refresh Rate | 60 Hz |
| Response Time | 9.5 |
| ALLM | No |
Smart TV
| Platform | Roku TV |
Audio
| Speaker Config | 2 |
| Wattage | 16 |
| Dolby Atmos | No |
| Surround Sound | Dolby Digital Plus |
| eARC | No |
Connectivity
| HDMI Ports | 3 |
| HDMI Version | 2.1 |
| USB Ports | 1 |
| Wi-Fi | ✓ |
| Bluetooth | Yes |
| Ethernet | No |
| Optical Audio | Yes |
| VESA Mount | 100x100 |
Power & Size
| Power | 74 |
| Weight | 4.9 kg / 10.8 lbs |
竞品对比
| Spec | JVC LT-40EP4257 39.5" | Sony BRAVIA 3 II K65XR30M2 | TCL QM6K Series 55QM6K | Samsung Neo QLED QN70F | Hisense QD7 Series 75QD7QF | LG B5 Series OLED55B5PUA |
|---|---|---|---|---|---|---|
| Screen Size | 39.5 | 65 | 55 | 55 | 75 | 55 |
| Resolution | 1920x1080 | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 | 3840x2160 |
| Panel Type | LED | LED | QLED | Mini-LED | QLED | OLED |
| Refresh Rate | 60 | 120 | 144 | 120 | 144 | 120 |
| Hdr | HDR10, HLG | HDR 10, Hybrid Log-Gamma (HLG), Dolby Vision | Dolby Vision, HDR10+, HDR10, HLG | HDR10+ | Dolby Vision, HDR 10+, HDR 10, Hybrid Log-Gamma (HLG) | Dolby Vision, HDR 10, Hybrid Log-Gamma (HLG) |
| Smart Platform | Roku TV | Google TV | Google TV | Tizen | Fire TV | webOS |
| Dolby Vision | false | true | true | false | true | true |
| Dolby Atmos | false | true | true | true | true | true |
| Hdmi Version | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 | 2.1 |
| Compare | Compare | Compare | Compare | Compare |
| 产品 | HDR | Audio | Smart | 游戏 | Display | Connectivity | 用户口碑 | Picture Quality |
|---|---|---|---|---|---|---|---|---|
| JVC LT-40EP4257 39.5" | 64.2 | 44.4 | 21.3 | 50.3 | 5.6 | 66.8 | 37.8 | 0.9 |
| Sony BRAVIA 3 II K65XR30M2 Compare | 91.9 | 83.1 | 99.1 | 80.3 | 71.6 | 84.6 | 94.6 | 93.9 |
| TCL QM6K Series 55QM6K Compare | 98.9 | 88.6 | 97.6 | 93.8 | 77.3 | 89.5 | 88.3 | 98.8 |
| Samsung Neo QLED QN70F Compare | 71.5 | 79.2 | 93.4 | 88.9 | 79.3 | 89.5 | 88.3 | 79.2 |
| Hisense QD7 Series 75QD7QF Compare | 83.6 | 83.1 | 87.3 | 91.3 | 86.5 | 89.5 | 77.5 | 87.4 |
| LG B5 Series OLED55B5PUA Compare | 77.4 | 79.2 | 90.2 | 99.2 | 88.4 | 96.6 | 94.6 | 36.5 |
价格
性价比分析
B&H Photo 1 个报价 最低 US$220
Amazon 1 个报价 最低 US$258
Price History
使用场景评分
完整评测即将发布。上方的规格、评分、价格和图表始终保持最新。